2016A&A...590A..21S

Query : 2016A&A...590A..21S

2016A&A...590A..21S - Astronomy and Astrophysics, volume 590A21-21 (2016/6-1)

Dark clouds in the vicinity of the emission nebula Sh2-205: interstellar extinction and distances.

STRAIZYS V., CEPAS V., BOYLE R.P., ZDANAVICIUS J., MASKOLIUNAS M., KAZLAUSKAS A., ZDANAVICIUS K. and CERNIS K.

Abstract (from CDS):

Result. of CCD photometry in the seven-colour Vilnius system for 922 stars down to V=16-17mag and for 302 stars down to 19.5mag are used to investigate the interstellar extinction in an area of 1.5 square degrees in the direction of the P7 and P8 clumps of the dark cloud TGU H942, which lies in the vicinity of the emission nebula Sh2-205. In addition, we used 662 red clump giants that were identified by combining the 2MASS and WISE infrared surveys. The resulting plots of extinction versus distance were compared with previous results of the distribution and radial velocities of CO clouds and with dust maps in different passbands of the IRAS and WISE orbiting observatories. A possible distance of the front edge of the nearest cloud layer at 130±10pc was found. This dust layer probably covers all the investigated area, which results in extinction of up to 1.8mag in some directions. A second rise of the extinction seems to be present at 500-600pc. Within this layer, the clumps P7 and P8 of the dust cloud TGU H942, the Sh2-205 emission nebula, and the infrared cluster FSR 655 are probably located. In the direction of these clouds, we identified 88 young stellar objects and a new infrared cluster.

Abstract Copyright: © ESO, 2016

Journal keyword(s): open clusters and associations: general - stars: fundamental parameters - ISM: individual objects: TGU H942 P7 - ISM: clouds - ISM: individual objects: TGU H942 P8

VizieR on-line data: <Available at CDS (J/A+A/590/A21): table1.dat table2.dat>

Nomenclature: Table 1: [SCB2016] NNNN (Nos 1001-1302). Fig. 7: [SCB2016] SCB 1 N=1.

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 25

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Number of rows : 25
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 NAME Lindblad Ring DNe 02 16 45 +64 21.5           ~ 44 0
2 TGU H942 DNe 03 27.3 +58 33           ~ 8 0
3 Ass Per OB 3 As* 03 27 48.5 +49 54 02   15.36 13.93     ~ 40 0
4 NAME Per Arm PoG 03 30 +45.0           ~ 1672 0
5 HD 23675 BS? 03 49 27.5698156680 +52 39 19.453394520 8.265 7.12 6.82     B0.5III 93 0
6 SH 2-205 HII 03 52 14 +53 25.0           ~ 40 0
7 HD 24094 EB* 03 52 48.9820750176 +53 29 01.219326180   8.72 8.36     B6V 46 0
8 TGU H942 P8 DNe 03 53.7 +53 01           ~ 2 0
9 Hilt 404 * 03 53 59.4308889768 +53 12 56.744868996 13.333 11.6 11.2     B1V 20 0
10 DOBASHI 4042 DNe 03 54 03.6 +53 33 50           ~ 2 1
11 DOBASHI 4040 DNe 03 54 54.4 +53 44 29           ~ 2 1
12 [SCB2016] SCB 1 Cl? 03 54 56 +53 45.0           ~ 1 0
13 TGU H942 P7 DNe 03 55.2 +53 45           ~ 3 0
14 HD 24431 ** 03 55 38.4221692944 +52 38 28.747965948 6.50 7.11 6.74 6.36 6.10 O9III+B1.5V 173 0
15 [GS55] 34 ISM 03 55.7 +52 39           ~ 2 0
16 [KPS2012] MWSC 0315 Cl? 03 56 10 +53 52.6           ~ 9 0
17 DOBASHI 4043 DNe 03 56 21.1 +53 52 02           ~ 2 1
18 V* DD Cam SB* 03 58 38.2093939104 +53 59 19.299048684   7.26 7.04     A3V 37 0
19 NAME CAS-TAU ASS MGr 04 16 +27.6           ~ 86 1
20 LDN 1399 DNe 04 24.0 +55 04           ~ 19 0
21 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4971 0
22 NAME Cam Cloud Cld 06 31 +71.2           ~ 74 0
23 NGC 2682 OpC 08 51 23.5 +11 48 54           ~ 2528 0
24 DOBASHI 2011 DNe 19 39 59.2 +21 52 20           ~ 4 1
25 NAME Local Arm reg ~ ~           ~ 649 0

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