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BLO94 - A deep VLA search for OH (1612 MHz) maser sources in the galactic plane.

Short title: Blommaert et al. (1994)
Authors: Blommaert, J. A. D. L.van Langevelde, H. J.Michiels, W. F. P.
Journal: Astronomy and Astrophysics, Vol. 287, p. 479-492 (1994)
Bibcode:
PDF:

Target type: star
Observations category: star.general
Facility type: single-dish
Transitions: OH_1612

Abstract
The results of a VLA OH (1612 MHz) search for OH/IR stars in 7 fields along the galactic plane are presented. Forty-four sources were detected of which 35 were not previously known. It is shown that blind radio interferometric observations (such as with the VLA) are capable of filling up the gap in the IRAS based OH surveys near the galactic plane. This is important for the dynamical modelling of the disc and bulge of our Galaxy. It is also demonstrated that the high resolution of a synthesis telescope is needed to avoid confusion in the galactic plane. Most detected sources are likely to be young (<~1Gyr) and massive (M_ms_>2-3M_sun_) evolved stars and have high expansion velocities (v_exp_>14.5km/s) and small deviations (<10km/s) from galactic rotation. Like Baud et al. (1981) we find a peak in the number of sources around l=25deg, a region associated with active star formation and a low number of stars at l=5deg and 10deg.	Comments: Spectral type was set to: ""S"", where only one peak was found. ""D"", where two peaks were found. Velocity resolution: 2.27 km/s

Abstract

The results of a VLA OH (1612 MHz) search for OH/IR stars in 7 fields along the galactic plane are presented. Forty-four sources were detected of which 35 were not previously known. It is shown that blind radio interferometric observations (such as with the VLA) are capable of filling up the gap in the IRAS based OH surveys near the galactic plane. This is important for the dynamical modelling of the disc and bulge of our Galaxy. It is also demonstrated that the high resolution of a synthesis telescope is needed to avoid confusion in the galactic plane. Most detected sources are likely to be young (<~1Gyr) and massive (M_ms_>2-3M_sun_) evolved stars and have high expansion velocities (v_exp_>14.5km/s) and small deviations (<10km/s) from galactic rotation. Like Baud et al. (1981) we find a peak in the number of sources around l=25deg, a region associated with active star formation and a low number of stars at l=5deg and 10deg.

Comments:
Spectral type was set to:
""S"", where only one peak was found.
""D"", where two peaks were found.

Velocity resolution: 2.27 km/s

Input tables: Table 2
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Detection table from Blommaert et al. (1994)

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ID	Obs. RA	Obs. Dec	l	b	Group id	grpv	Source name	Other name	Image	Descr.	Line	Frequency	V_peak	F_peak	Telescope	V_step	RMS	Beam	Detection	Class	Dist. (parallax)	Date
	(J2000)	(J2000)	(deg.)	(deg.)				Note			OH	(MHz)	(km/s)	(Jy)		(km/s)	(mJy/beam)	(arcsec)	Yes/No		(kpc)
1	17 55 40.4	-24 38 9.2	4.8420	0.2766	G4.842+0.276	G4.8419+0.2765	OH 4.843+0.277	Blue	Image		1612 MHz;	1612	-145.3	0.288	NRAOVLA	2.27	9.600	43 x 36	+OH	EVOLVED		02 FEB 91
	17 55 40.4	-24 38 9.2	4.8420	0.2766	G4.842+0.276	G4.8419+0.2765	OH 4.843+0.277	Red	Image		1612 MHz;	1612	-118.1	0.573	NRAOVLA	2.27	9.600	43 x 36	+OH	EVOLVED		02 FEB 91
3	17 56 50.3	-24 28 56.5	5.1080	0.1247	G5.108+0.125	G5.1080+0.1247	OH 5.104+0.122	Blue	Image		1612 MHz;	1612	-11.3	0.062	NRAOVLA	2.27	9.600	43 x 36	+OH	EVOLVED		02 FEB 91
	17 56 50.3	-24 28 56.5	5.1080	0.1247	G5.108+0.125	G5.1080+0.1247	OH 5.104+0.122	Red	Image		1612 MHz;	1612	-2.2	0.074	NRAOVLA	2.27	9.600	43 x 36	+OH	EVOLVED		02 FEB 91
5	17 57 3.3	-24 40 51.1	4.9610	-0.0175	G4.961-0.017	G4.9612-0.0174	OH 4.961-0.017	Blue	Image		1612 MHz;	1612	-74.9	0.177	NRAOVLA	2.27	9.600	43 x 36	+OH	EVOLVED		02 FEB 91
	17 57 3.3	-24 40 51.1	4.9610	-0.0175	G4.961-0.017	G4.9612-0.0174	OH 4.961-0.017	Red	Image		1612 MHz;	1612	-34.0	0.497	NRAOVLA	2.27	9.600	43 x 36	+OH	EVOLVED		02 FEB 91
7	18 07 23.2	-20 25 51.9	9.8341	0.0081	G9.834+0.008	G9.8341+0.0081	OH 9.835+0.008	Blue	Image		1612 MHz;	1612	59.1	0.037	NRAOVLA	2.27	7.000	43 x 36	+OH			08 NOV 90
	18 07 23.2	-20 25 51.9	9.8341	0.0081	G9.834+0.008	G9.8341+0.0081	OH 9.835+0.008	Red	Image		1612 MHz;	1612	97.7	0.085	NRAOVLA	2.27	7.000	43 x 36	+OH			08 NOV 90
9	18 07 59.1	-20 27 34.3	9.8772	-0.1280	G9.877-0.128	G9.8772-0.1279	OH 9.878-0.127	Blue	Image		1612 MHz;	1612	79.5	0.88	NRAOVLA	2.27	7.000	43 x 36	+OH	EVOLVED		08 NOV 90
	18 07 59.1	-20 27 34.3	9.8772	-0.1280	G9.877-0.128	G9.8772-0.1279	OH 9.878-0.127	Red	Image		1612 MHz;	1612	111.3	0.776	NRAOVLA	2.27	7.000	43 x 36	+OH	EVOLVED		08 NOV 90
11	18 08 3.3	-20 17 47.9	10.0276	-0.0632	G10.028-0.063	G10.0276-0.0632	OH 10.028-0.063	Blue	Image		1612 MHz;	1612	-2.2	0.694	NRAOVLA	2.27	7.000	43 x 36	+OH	EVOLVED		08 NOV 90
	18 08 3.3	-20 17 47.9	10.0276	-0.0632	G10.028-0.063	G10.0276-0.0632	OH 10.028-0.063	Red	Image		1612 MHz;	1612	18.2	0.344	NRAOVLA	2.27	7.000	43 x 36	+OH	EVOLVED		08 NOV 90
13	18 08 16.4	-20 16 11.3	10.0760	-0.0951	G10.076-0.095	G10.0759-0.0950	OH 10.077-0.095	Blue	Image	Descr	1612 MHz;	1612	79.5	0.948	NRAOVLA	2.27	7.000	43 x 36	+H₂O +OH	EVOLVED		08 NOV 90
	18 08 16.4	-20 16 11.3	10.0760	-0.0951	G10.076-0.095	G10.0759-0.0950	OH 10.077-0.095	Red	Image		1612 MHz;	1612	25.0	2.372	NRAOVLA	2.27	7.000	43 x 36	+H₂O +OH	EVOLVED		08 NOV 90
15	18 16 41.7	-16 04 8.6	14.7210	0.1682	G14.721+0.168	G14.7209+0.1680	OH 14.724+0.168	Blue	Image		1612 MHz;	1612	109.0	0.458	NRAOVLA	2.27	7.400	43 x 36	-CH₃OH II +OH	EVOLVED		08 NOV 90
	18 16 41.7	-16 04 8.6	14.7210	0.1682	G14.721+0.168	G14.7209+0.1680	OH 14.724+0.168	Red	Image		1612 MHz;	1612	134.0	0.27	NRAOVLA	2.27	7.400	43 x 36	-CH₃OH II +OH	EVOLVED		08 NOV 90
17	18 16 58	-15 53 23.6	14.9096	0.1960	G14.910+0.196	G14.9096+0.1961	OH 14.910+0.196	Blue	Image		1612 MHz;	1612	129.4	0.1	NRAOVLA	2.27	7.400	43 x 36	+OH	EVOLVED		08 NOV 90
18	18 17 20.8	-15 51 2.7	14.9876	0.1340	G14.988+0.134	G14.9876+0.1340	OH 14.988+0.134	Blue	Image		1612 MHz;	1612	11.4	0.14	NRAOVLA	2.27	7.400	43 x 36	+OH			08 NOV 90
	18 17 20.8	-15 51 2.7	14.9876	0.1340	G14.988+0.134	G14.9876+0.1340	OH 14.988+0.134	Red	Image		1612 MHz;	1612	43.1	0.075	NRAOVLA	2.27	7.400	43 x 36	+OH			08 NOV 90
20	18 17 36.3	-15 48 27.4	15.0550	0.0998	G15.053+0.089	G15.0550+0.0998	OH 15.059+0.099	Blue	Image		1612 MHz;	1612	109.0	0.028	NRAOVLA	2.27	7.400	43 x 36	-CH₃OH I +OH			08 NOV 90
	18 17 36.3	-15 48 27.4	15.0550	0.0998	G15.053+0.089	G15.0550+0.0998	OH 15.059+0.099	Red	Image		1612 MHz;	1612	122.6	0.028	NRAOVLA	2.27	7.400	43 x 36	-CH₃OH I +OH			08 NOV 90
22	18 17 41.3	-16 00 05	14.8940	-0.0099	G14.894-0.010	G14.8940-0.0099	OH 14.895-0.009	Blue	Image		1612 MHz;	1612	104.5	0.111	NRAOVLA	2.27	7.400	43 x 36	+OH			08 NOV 90
	18 17 41.3	-16 00 05	14.8940	-0.0099	G14.894-0.010	G14.8940-0.0099	OH 14.895-0.009	Red	Image		1612 MHz;	1612	138.5	0.038	NRAOVLA	2.27	7.400	43 x 36	+OH			08 NOV 90
24	18 18 10.6	-16 08 13.2	14.8301	-0.1774	G14.830-0.177	G14.8301-0.1772	OH 14.831-0.177	Blue	Image		1612 MHz;	1612	-59.0	0.827	NRAOVLA	2.27	7.400	43 x 36	+OH	SFR_MIXED		08 NOV 90
	18 18 10.6	-16 08 13.2	14.8301	-0.1774	G14.830-0.177	G14.8301-0.1772	OH 14.831-0.177	Red	Image		1612 MHz;	1612	-36.3	0.543	NRAOVLA	2.27	7.400	43 x 36	+OH	SFR_MIXED		08 NOV 90
26	18 18 45.5	-15 53 23.6	15.1138	-0.1832	G15.114-0.183	G15.1138-0.1832	OH 15.117-0.183	Blue	Image		1612 MHz;	1612	72.7	0.086	NRAOVLA	2.27	7.400	43 x 36	+OH	EVOLVED		08 NOV 90
	18 18 45.5	-15 53 23.6	15.1138	-0.1832	G15.114-0.183	G15.1138-0.1832	OH 15.117-0.183	Red	Image		1612 MHz;	1612	111.3	0.096	NRAOVLA	2.27	7.400	43 x 36	+OH	EVOLVED		08 NOV 90
28	18 22 32.1	-13 27 56.9	17.6824	0.1535	G17.682+0.153	G17.6824+0.1535	OH 17.741+0.185	Blue	Image	Descr	1612 MHz;	1612	40.9	0.549	NRAOVLA	2.27	7.600	43 x 36	+OH			02 FEB 91
	18 22 32.1	-13 27 56.9	17.6824	0.1535	G17.682+0.153	G17.6824+0.1535	OH 17.741+0.185	Red	Image		1612 MHz;	1612	6.9	0.41	NRAOVLA	2.27	7.600	43 x 36	+OH			02 FEB 91
30	18 22 41.2	-13 40 58.1	17.5080	0.0193	G17.508+0.019	G17.5082+0.0191	OH 17.508+0.020	Blue	Image		1612 MHz;	1612	52.3	1.141	NRAOVLA	2.27	7.600	43 x 36	+OH +SiO	EVOLVED		02 FEB 91
	18 22 41.2	-13 40 58.1	17.5080	0.0193	G17.508+0.019	G17.5082+0.0191	OH 17.508+0.020	Red	Image		1612 MHz;	1612	81.8	1.57	NRAOVLA	2.27	7.600	43 x 36	+OH +SiO	EVOLVED		02 FEB 91
32	18 22 47.6	-14 06 36.4	17.1428	-0.2040	G17.143-0.204	G17.1428-0.2039	OH 17.146-0.200	Blue	Image	Descr	1612 MHz;	1612	-99.8	0.906	NRAOVLA	2.27	7.600	43 x 36	+OH			02 FEB 91
33	18 22 53.2	-13 47 45.4	17.4309	-0.0767	G17.433-0.078	G17.4326-0.0778	OH 17.434-0.077	Blue	Image		1612 MHz;	1612	127.2	0.023	NRAOVLA	2.27	7.600	43 x 36	+OH	SFR_MIXED		02 FEB 91
34	18 23 17.9	-13 42 48.5	17.5505	-0.1262	G17.551-0.126	G17.5509-0.1261	OH 17.551-0.126	Blue	Image	Descr	1612 MHz;	1612	27.3	1.522	NRAOVLA	2.27	7.600	43 x 36	+H₂O +OH +SiO	EVOLVED		02 FEB 91
	18 23 17.9	-13 42 48.5	17.5505	-0.1262	G17.551-0.126	G17.5509-0.1261	OH 17.551-0.126	Red	Image		1612 MHz;	1612	59.1	0.701	NRAOVLA	2.27	7.600	43 x 36	+H₂O +OH +SiO	EVOLVED		02 FEB 91
36	18 23 23.7	-13 55 10	17.3798	-0.2438	G17.380-0.243	G17.3799-0.2433	OH 17.383-0.243	Blue	Image		1612 MHz;	1612	118.1	0.125	NRAOVLA	2.27	7.600	43 x 36	+OH	EVOLVED		02 FEB 91
37	18 23 34.9	-13 55 52.3	17.3906	-0.2893	G17.391-0.289	G17.3914-0.2892	OH 17.392-0.289	Blue	Image	Descr	1612 MHz;	1612	45.5	2.409	NRAOVLA	2.27	7.600	43 x 36	+OH +SiO	EVOLVED		02 FEB 91
	18 23 34.9	-13 55 52.3	17.3906	-0.2893	G17.391-0.289	G17.3914-0.2892	OH 17.392-0.289	Red	Image		1612 MHz;	1612	13.7	1.429	NRAOVLA	2.27	7.600	43 x 36	+OH +SiO	EVOLVED		02 FEB 91
39	18 31 38.3	-09 07 36.9	22.5610	0.2002	G22.559+0.201	G22.5586+0.2006	OH 22.560+0.201	Blue	Image		1612 MHz;	1612	81.8	0.067	NRAOVLA	2.27	7.000	43 x 36	+OH	EVOLVED		02 FEB 91
	18 31 38.3	-09 07 36.9	22.5610	0.2002	G22.559+0.201	G22.5586+0.2006	OH 22.560+0.201	Red	Image		1612 MHz;	1612	111.3	0.11	NRAOVLA	2.27	7.000	43 x 36	+OH	EVOLVED		02 FEB 91
41	18 31 49.3	-08 56 51.3	22.7409	0.2429	G22.741+0.238	G22.7409+0.2430	OH 22.742+0.237	Blue	Image		1612 MHz;	1612	152.1	0.218	NRAOVLA	2.27	7.000	43 x 36	+H₂O +OH	EVOLVED		02 FEB 91
42	18 32 0.7	-09 18 22.1	22.4447	0.0356	G22.445+0.035	G22.4447+0.0353	OH 22.446+0.035	Blue	Image		1612 MHz;	1612	120.4	0.649	NRAOVLA	2.27	7.000	43 x 36	+OH	EVOLVED		02 FEB 91
	18 32 0.7	-09 18 22.1	22.4447	0.0356	G22.445+0.035	G22.4447+0.0353	OH 22.446+0.035	Red	Image		1612 MHz;	1612	149.9	0.819	NRAOVLA	2.27	7.000	43 x 36	+OH	EVOLVED		02 FEB 91
44	18 32 7.4	-09 27 9.5	22.3275	-0.0566	G22.326-0.057	G22.3263-0.0567	OH 22.328-0.057	Blue	Image		1612 MHz;	1612	90.9	0.21	NRAOVLA	2.27	7.000	43 x 36	+OH			02 FEB 91
	18 32 7.4	-09 27 9.5	22.3275	-0.0566	G22.326-0.057	G22.3263-0.0567	OH 22.328-0.057	Red	Image		1612 MHz;	1612	52.3	0.078	NRAOVLA	2.27	7.000	43 x 36	+OH			02 FEB 91
46	18 32 12.7	-09 18 54.9	22.4594	-0.0123	G22.451-0.022	G22.4594-0.0123	OH 22.458-0.011	Blue	Image		1612 MHz;	1612	120.4	0.058	NRAOVLA	2.27	7.000	43 x 36	+OH			02 FEB 91
	18 32 12.7	-09 18 54.9	22.4594	-0.0123	G22.451-0.022	G22.4594-0.0123	OH 22.458-0.011	Red	Image		1612 MHz;	1612	90.9	0.096	NRAOVLA	2.27	7.000	43 x 36	+OH			02 FEB 91
48	18 32 22.7	-09 27 44.1	22.3481	-0.1169	G22.348-0.117	G22.3483-0.1172	OH 22.349-0.117	Blue	Image		1612 MHz;	1612	25.0	0.875	NRAOVLA	2.27	7.000	43 x 36	+OH	EVOLVED		02 FEB 91
	18 32 22.7	-09 27 44.1	22.3481	-0.1169	G22.348-0.117	G22.3483-0.1172	OH 22.349-0.117	Red	Image		1612 MHz;	1612	65.9	0.81	NRAOVLA	2.27	7.000	43 x 36	+OH	EVOLVED		02 FEB 91
50	18 33 40.3	-09 09 07	22.7706	-0.2568	G22.769-0.250	G22.7704-0.2568	OH 22.772-0.256	Blue	Image	Descr	1612 MHz;	1612	77.2	1.545	NRAOVLA	2.27	7.000	43 x 36	+OH			02 FEB 91
	18 33 40.3	-09 09 07	22.7706	-0.2568	G22.769-0.250	G22.7704-0.2568	OH 22.772-0.256	Red	Image		1612 MHz;	1612	109.0	3.029	NRAOVLA	2.27	7.000	43 x 36	+OH			02 FEB 91
52	18 35 54.4	-06 56 47.5	24.9829	0.2681	G24.983+0.268	G24.9829+0.2681	OH 24.978+0.261	Blue	Image		1612 MHz;	1612	59.1	0.129	NRAOVLA	2.27	9.900	43 x 36	+OH	EVOLVED		08 NOV 90
	18 35 54.4	-06 56 47.5	24.9829	0.2681	G24.983+0.268	G24.9829+0.2681	OH 24.978+0.261	Red	Image		1612 MHz;	1612	22.8	0.119	NRAOVLA	2.27	9.900	43 x 36	+OH	EVOLVED		08 NOV 90
54	18 35 57.4	-07 18 56.1	24.6609	0.0873	G24.661+0.087	G24.6609+0.0867	OH 24.661+0.089	Blue	Image		1612 MHz;	1612	40.9	4.001	NRAOVLA	2.27	9.900	43 x 36	+OH +SiO	EVOLVED		08 NOV 90
	18 35 57.4	-07 18 56.1	24.6609	0.0873	G24.661+0.087	G24.6609+0.0867	OH 24.661+0.089	Red	Image		1612 MHz;	1612	72.7	2.362	NRAOVLA	2.27	9.900	43 x 36	+OH +SiO	EVOLVED		08 NOV 90
56	18 35 59.1	-06 53 14.1	25.0445	0.2780	G25.045+0.278	G25.0445+0.2778	OH 25.046+0.278	Blue	Image		1612 MHz;	1612	113.6	0.245	NRAOVLA	2.27	9.900	43 x 36	+OH			08 NOV 90
	18 35 59.1	-06 53 14.1	25.0445	0.2780	G25.045+0.278	G25.0445+0.2778	OH 25.046+0.278	Red	Image		1612 MHz;	1612	72.7	0.222	NRAOVLA	2.27	9.900	43 x 36	+OH			08 NOV 90
58	18 36 3.7	-07 05 18.6	24.8747	0.1683	G24.875+0.168	G24.8747+0.1676	OH 24.875+0.170	Blue	Image		1612 MHz;	1612	75.0	0.196	NRAOVLA	2.27	9.900	43 x 36	+OH	EVOLVED		08 NOV 90
	18 36 3.7	-07 05 18.6	24.8747	0.1683	G24.875+0.168	G24.8747+0.1676	OH 24.875+0.170	Red	Image		1612 MHz;	1612	111.3	0.247	NRAOVLA	2.27	9.900	43 x 36	+OH	EVOLVED		08 NOV 90
60	18 36 19.9	-07 11 52.2	24.8083	0.0589	G24.809+0.058	G24.8091+0.0581	OH 24.809+0.060	Blue	Image		1612 MHz;	1612	70.4	0.308	NRAOVLA	2.27	9.900	43 x 36	+CH₃OH II +OH	EVOLVED		08 NOV 90
	18 36 19.9	-07 11 52.2	24.8083	0.0589	G24.809+0.058	G24.8091+0.0581	OH 24.809+0.060	Red	Image		1612 MHz;	1612	111.3	0.275	NRAOVLA	2.27	9.900	43 x 36	+CH₃OH II +OH	EVOLVED		08 NOV 90
62	18 36 30.2	-07 18 48.1	24.7253	-0.0321	G24.725-0.032	G24.7253-0.0319	OH 24.726-0.030	Blue	Image		1612 MHz;	1612	-31.7	0.394	NRAOVLA	2.27	9.900	43 x 36	+OH	EVOLVED		08 NOV 90
	18 36 30.2	-07 18 48.1	24.7253	-0.0321	G24.725-0.032	G24.7253-0.0319	OH 24.726-0.030	Red	Image		1612 MHz;	1612	-6.7	0.207	NRAOVLA	2.27	9.900	43 x 36	+OH	EVOLVED		08 NOV 90
64	18 36 45.9	-07 18 17.2	24.7627	-0.0857	G24.763-0.086	G24.7626-0.0859	OH 24.762-0.085	Blue	Image	Descr	1612 MHz;	1612	63.6	0.444	NRAOVLA	2.27	9.900	43 x 36	+H₂O -CH₃OH II +OH +SiO	SFR_MIXED		08 NOV 90
	18 36 45.9	-07 18 17.2	24.7627	-0.0857	G24.763-0.086	G24.7626-0.0859	OH 24.762-0.085	Red	Image		1612 MHz;	1612	109.0	2.084	NRAOVLA	2.27	9.900	43 x 36	+H₂O -CH₃OH II +OH +SiO	SFR_MIXED		08 NOV 90
66	18 36 58	-06 57 20	25.0959	0.0301	G25.096+0.030	G25.0959+0.0301	OH 25.154+0.061	Blue	Image	Descr	1612 MHz;	1612	102.2	3.322	NRAOVLA	2.27	9.900	43 x 36	+OH			08 NOV 90
	18 36 58	-06 57 20	25.0959	0.0301	G25.096+0.030	G25.0959+0.0301	OH 25.154+0.061	Red	Image		1612 MHz;	1612	72.7	2.679	NRAOVLA	2.27	9.900	43 x 36	+OH			08 NOV 90
68	18 37 10.7	-07 06 43.4	24.9810	-0.0883	G24.981-0.088	G24.9808-0.0883	OH 24.981-0.088	Blue	Image		1612 MHz;	1612	143.1	0.367	NRAOVLA	2.27	9.900	43 x 36	+OH	EVOLVED		08 NOV 90
	18 37 10.7	-07 06 43.4	24.9810	-0.0883	G24.981-0.088	G24.9808-0.0883	OH 24.981-0.088	Red	Image		1612 MHz;	1612	115.9	0.479	NRAOVLA	2.27	9.900	43 x 36	+OH	EVOLVED		08 NOV 90
70	18 37 13.3	-06 59 1.6	25.0998	-0.0389	G25.100-0.039	G25.1003-0.0395	OH 25.100-0.040	Blue	Image		1612 MHz;	1612	127.2	0.423	NRAOVLA	2.27	9.900	43 x 36	+OH	EVOLVED		08 NOV 90
	18 37 13.3	-06 59 1.6	25.0998	-0.0389	G25.100-0.039	G25.1003-0.0395	OH 25.100-0.040	Red	Image		1612 MHz;	1612	75.0	0.079	NRAOVLA	2.27	9.900	43 x 36	+OH	EVOLVED		08 NOV 90
72	18 37 25.3	-07 07 46	24.9933	-0.1500	G24.993-0.150	G24.9933-0.1503	OH 24.993-0.150	Blue	Image		1612 MHz;	1612	106.7	0.949	NRAOVLA	2.27	9.900	43 x 36	+OH	EVOLVED		08 NOV 90
	18 37 25.3	-07 07 46	24.9933	-0.1500	G24.993-0.150	G24.9933-0.1503	OH 24.993-0.150	Red	Image		1612 MHz;	1612	143.0	0.523	NRAOVLA	2.27	9.900	43 x 36	+OH	EVOLVED		08 NOV 90
74	18 37 58.3	-06 52 28.8	25.2822	-0.1542	G25.279-0.154	G25.2826-0.1539	OH 25.284-0.156	Blue	Image		1612 MHz;	1612	102.2	0.312	NRAOVLA	2.27	9.900	43 x 36	+OH			08 NOV 90
75	18 46 12.3	-02 41 21	29.9423	-0.0628	G29.953-0.017	G29.9422-0.0626	OH 29.938-0.062	Blue	Image		1612 MHz;	1612	102.2	0.09	NRAOVLA	2.27	12.000	43 x 36	+CH₃OH I +OH			02 FEB 91
76	18 46 24.8	-02 59 27.8	29.6975	-0.2471	G29.697-0.242	G29.6976-0.2470	OH 29.699-0.241	Blue	Image		1612 MHz;	1612	115.9	0.804	NRAOVLA	2.27	12.000	43 x 36	+OH	SFR_MIXED		02 FEB 91
77	18 46 33.4	-02 33 12.6	30.1030	-0.0789	G30.103-0.079	G30.1027-0.0788	OH 30.103-0.078	Blue	Image		1612 MHz;	1612	50.0	0.977	NRAOVLA	2.27	12.000	43 x 36	-H₂O +CH₃OH II +OH	SFR_MIXED		02 FEB 91
	18 46 33.4	-02 33 12.6	30.1030	-0.0789	G30.103-0.079	G30.1027-0.0788	OH 30.103-0.078	Red	Image		1612 MHz;	1612	22.8	0.82	NRAOVLA	2.27	12.000	43 x 36	-H₂O +CH₃OH II +OH	SFR_MIXED		02 FEB 91
79	18 47 9.9	-02 35 35.8	30.1369	-0.2322	G30.137-0.232	G30.1368-0.2322	OH 30.137-0.231	Blue	Image	Descr	1612 MHz;	1612	34.1	12.095	NRAOVLA	2.27	12.000	43 x 36	+H₂O -CH₃OH II +OH +SiO	SFR_MIXED		02 FEB 91
	18 47 9.9	-02 35 35.8	30.1369	-0.2322	G30.137-0.232	G30.1368-0.2322	OH 30.137-0.231	Red	Image		1612 MHz;	1612	68.1	11.911	NRAOVLA	2.27	12.000	43 x 36	+H₂O -CH₃OH II +OH +SiO	SFR_MIXED		02 FEB 91

DSS colored	2MASS colored	WISE colored
PACS color (70-160 um)	SPIRE color (250-500 um)	GLIMPSE 360
SDSS color	IRAC color I1,I2,I4	NVSS (1.4GHz)
ATLASGAL 870 um	ATLASGAL 870 um + Planck	Bolocam 1.1 mm

select MAX(oh_data_all.ra_hms) as ra_hms,MAX(oh_data_all.dec_dms) as dec_dms,MAX(oh_data_all.source_name) as source_name,MAX(oh_data_all.ra) as ra,MAX(oh_data_all.dec) as dec,MAX(oh_data_all.l) as l,MAX(oh_data_all.b) as b,MAX(oh_data_all.grp) as grp,MAX(oh_data_all.grpv) as grpv,MAX(oh_data_all.other_name) as other_name,MAX(oh_data_all.other_desc) as other_desc,BOOL_OR(thermal) as thermal,MAX(oh_data_all.line) as line,MAX(oh_data_all.freq) as freq,MAX(oh_data_all.pol) as pol,MAX(oh_data_all.vrange) as vrange,MAX(oh_data_all.vpeak) as vpeak,MAX(oh_data_all.peak) as peak,MAX(oh_data_all.fwhm) as fwhm,MAX(oh_data_all.int) as int,MAX(oh_data_all.rms) as rms,MAX(oh_data_all.units) as units,MAX(oh_data_all.units_rms) as units_rms,MAX(oh_data_all.date_txt) as date_txt,MAX(oh_data_all.telescope_ref) as telescope_ref,MAX(oh_data_all.telescope_conf) as telescope_conf,MAX(oh_data_all.v_step) as v_step,MAX(oh_data_all.beam) as beam,MAX(oh_data_all.beam_maj) as beam_maj,MAX(oh_data_all.beam_min) as beam_min,MAX(oh_data_all.beam_pa) as beam_pa,MAX(oh_data_all.ref) as ref,MAX(oh_data_all.list_ref) as list_ref,MAX(oh_data_all.ascii) as ascii,MAX(oh_data_all.url) as url,MAX(oh_data_all.image) as image,MAX(oh_data_all.image2) as image2,MAX(oh_data_all.image3) as image3,MAX(oh_data_all.descr) as descr,MAX(oh_data_all.id) as id,BOOL_OR(mjy_flag) as mjy_flag,BOOL_OR(rms_mjy_flag) as rms_mjy_flag,MAX(oh_data_all.dist) as dist,1 as dist_parallax,MAX(oh_data_all.date_txt) as date_txt,MAX(line_det) as line_det,MAX(type) as type,MAX(simbad_types_cat) as simbad_types_cat FROM oh_data_all  LEFT JOIN all_objects_withmet ON oh_data_all.grp=all_objects_withmet.group_name LEFT JOIN object_categories ON all_objects_withmet.group_name = object_categories.group_name_cat AND object_categories.tbl_cat = 'all_objects_withmet' LEFT JOIN transitions ON oh_data_all.line=transitions."Line"  WHERE ref ilike 'BLO94' AND detected=true AND hide=false GROUP BY ref

select oh_data_all.ra_hms,oh_data_all.dec_dms,oh_data_all.source_name,oh_data_all.ra,oh_data_all.dec,oh_data_all.l,oh_data_all.b,oh_data_all.grp,oh_data_all.grpv,oh_data_all.other_name,oh_data_all.other_desc,oh_data_all.thermal,oh_data_all.line,oh_data_all.freq,oh_data_all.pol,oh_data_all.vrange,oh_data_all.vpeak,oh_data_all.peak,oh_data_all.fwhm,oh_data_all.int,oh_data_all.rms,oh_data_all.units,oh_data_all.units_rms,oh_data_all.date_txt,oh_data_all.telescope_ref,oh_data_all.telescope_conf,oh_data_all.v_step,oh_data_all.beam,oh_data_all.beam_maj,oh_data_all.beam_min,oh_data_all.beam_pa,oh_data_all.ref,oh_data_all.list_ref,oh_data_all.ascii,oh_data_all.url,oh_data_all.image,oh_data_all.image2,oh_data_all.image3,oh_data_all.descr,oh_data_all.id,oh_data_all.mjy_flag,oh_data_all.rms_mjy_flag,oh_data_all.dist,oh_data_all.dist_parallax,oh_data_all.date_txt,line_det,type,simbad_types_cat FROM oh_data_all   LEFT JOIN all_objects_withmet ON oh_data_all.grp=all_objects_withmet.group_name LEFT JOIN object_categories ON all_objects_withmet.group_name = object_categories.group_name_cat AND object_categories.tbl_cat = 'all_objects_withmet' LEFT JOIN transitions ON oh_data_all.line=transitions."Line"  WHERE ref ilike 'BLO94' AND detected=true AND hide=false ORDER BY detected DESC,id

Display data from paper

BLO94 - A deep VLA search for OH (1612 MHz) maser sources in the galactic plane.

View as list of objects

Detection table from Blommaert et al. (1994)