2011ApJ...739L..26M

Query : 2011ApJ...739L..26M

2011ApJ...739L..26M - Astrophys. J., 739, L26 (2011/September-3)

Discovery and follow-up of a nearby galaxy from the Arecibo zone of avoidance survey.

McINTYRE T.P., MINCHIN R.F., MOMJIAN E., HENNING P.A., KAUR A. and PARTON B.

Abstract (from CDS):

The Arecibo L-Band Feed Array Zone of Avoidance (ALFA ZOA) Survey has discovered a nearby galaxy, ALFA ZOA J1952+1428, at a heliocentric velocity of +279 km/s. The galaxy was discovered at low Galactic latitude by 21 cm emission from neutral hydrogen (H I). We have obtained follow-up observations with the Expanded Very Large Array and the 0.9 m Southeastern Association for Research in Astronomy optical telescope. The H I distribution overlaps an uncataloged, potential optical counterpart. The H I linear size is 1.4 kpc at our adopted distance of D = 7 Mpc, but the distance estimate is uncertain as Hubble's law is unreliable at low recessional velocities. The optical counterpart has mB= 16.9 mag and B - R = 0.1 mag. These characteristics, including MMH1 = 107.0 M☉ and LB= 107.5 L☉, if at 7 Mpc, indicate that this galaxy is a blue compact dwarf, but this remains uncertain until further follow-up observations are complete. Optical follow-up observations are ongoing and near-infrared follow-up observations have been scheduled.

Abstract Copyright: ∼

Journal keyword(s): galaxies: individual: ALFA ZOA J1952+1428 - radio lines: galaxies - surveys

Nomenclature: ALFA ZOA JHHMM+DDMM (No. J1952+1428) added.

Simbad objects: 35

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Number of rows : 35
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 MCG-03-01-015 G 00 01 57.9 -15 27 50   11.50 11.10 10.93   ~ 782 2
2 ESO 349-31 AG? 00 08 13.1536 -34 34 47.836   15.54   14.99   ~ 156 3
3 IC 10 rG 00 20 17.33520 +59 18 13.6480   13.6 9.5     ~ 1185 1
4 NGC 147 GiG 00 33 12.120 +48 30 31.46   12.0 9.5     ~ 720 1
5 NGC 185 Sy2 00 38 57.9400026024 +48 20 15.035874648   9.10 9.2     ~ 840 1
6 M 110 GiG 00 40 22.0572349992 +41 41 07.507220136   8.92 8.07     ~ 1370 1
7 M 32 GiG 00 42 41.82480 +40 51 54.6120 9.51 9.03 8.08     ~ 2236 2
8 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
9 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
10 IC 1613 GiC 01 04 48.4071 +02 07 10.185   10.42 10.01 9.77   ~ 1316 2
11 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
12 3C 48 QSO 01 37 41.2996631208 +33 09 35.080388820   16.62 16.20     ~ 2924 2
13 MCG-06-07-001 G 02 39 59.3 -34 26 57   9.02 7.4     ~ 1894 1
14 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
15 ESO 206-20A G 06 41 36.7 -50 57 58   22.14 11.0 19.47   ~ 1190 0
16 LEDA 2807061 G 07 00 29.3 -04 12 30           ~ 43 1
17 Z 264-88 AG? 09 16 02.0195908968 +52 50 42.051257412   14.0 13.2     ~ 141 0
18 Z 153-10 G 09 59 26.46 +30 44 47.0 14.08 13.54 13.26 13.33   ~ 652 0
19 Z 64-73 G 10 08 28.12 +12 18 23.4   11.3 10.0     ~ 1284 1
20 NAME Sextans dSph LSB 10 13 02.9 -01 36 53   12 10.4     ~ 921 0
21 Z 126-111 G 11 13 28.13 +22 09 10.1   12.9 12.0     ~ 899 0
22 HIPASS J1328-30 G 13 28 26 -30 26.5           ~ 7 0
23 Z 318-18 G 15 09 08.0 +67 13 21   13.60 10.6     ~ 1459 0
24 GSC 00976-01857 * 16 59 33.2091445392 +07 42 19.403516628 15.835 15.100 14.032 13.463 12.927 ~ 5 0
25 Z 300-12 G 17 20 14.335 +57 55 16.39   12.40 10.6     ~ 1428 1
26 NAME SDG G 18 55 19.0 -30 32 43   4.5 3.6     ~ 2438 2
27 ICRF J192559.6+210626 BLL 19 25 59.60535459 +21 06 26.1620257           ~ 212 1
28 NAME Sgr dIG G 19 29 59.0 -17 40 41   15.5 13.6     ~ 323 1
29 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1661 0
30 LEDA 5060431 G 19 52 11.8 +14 28 24           ~ 13 0
31 MCG-02-53-003 G 20 46 51.7 -12 50 54 15.75 15.18 14.83 14.46   ~ 470 1
32 NAME Gal Center Positive HVC 20 51.2 +01 41           ~ 109 1
33 NAME Pisces Overdensity G 23 19.0 +00 00           ~ 65 0
34 Z 431-72 G 23 28 35.2 +14 44 35 13.85 13.16 12.52     ~ 499 1
35 NAME Local Group GrG ~ ~           ~ 9325 0

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