1995A&AS..113..445S

Query : 1995A&AS..113..445S

1995A&AS..113..445S - Astron. Astrophys., Suppl. Ser., 113, 445-449 (1995/November-1)

Interstellar dust clouds in the direction of the globular cluster M 56.

SMRIGLIO F., DASGUPTA A.K. and BOYLE R.P.

Abstract (from CDS):

Two-dimensional classification of field stars based on their seven-color CCD photometry in the Vilnius system has been obtained in two small fields on either side of the globular cluster M 56. The purely photometric classification has been performed using an automated software package (ASCAR). Mean values of E(B-V) for each field respectively have been determined from foreground stars. In both fields the dependence of E(B-V) on distance shows a dispersion which seems to be larger than the observational errors. Assuming that this scattering is mainly caused by the cloudy structure of interstellar dust, an attempt has been made to determine statistically the reddening caused by a single cloud and the frequency of clouds. The mean values of E(B-V) in each field respectively and, by comparison with the radio measurements, the gas-to-dust ratio in the direction of M 56 have been determined. The present analysis confirms the possibility of a variation of reddening across the cluster face.

Abstract Copyright: ∼

Journal keyword(s): dust: extinction - ISM: structure - globulars clusters: individual: M 56

Simbad objects: 1

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Number of rows : 1

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	M 56	GlC	19 16 35.57	+30 11 00.5						~	455	0

Query : 1995A&AS..113..445S

Basic data :

M 56 -- Globular Cluster

GlC (2013A&A,GCl), Cl* (C,[KPS2012]), * (CSI,GCRV)

19 16 35.57 +30 11 00.5 (Optical) [ ] D 2010AJ....140.1830G

19 14 38.49 +30 05 35.7 [ ]

062.65941 +08.33638 [ ]

-2.02 1.65 [0.01 0.01 90] C 2019MNRAS.482.5138B

V(km/s) -122.0 [0.5] / z(spectroscopic) -0.000407 [0.000002] / cz -121.98 [0.50] (Opt) A 2018MNRAS.478.1520B

0.091 [0.011] C 2021MNRAS.505.5978V

7.1 7.1 90 (Opt) D 1989Sci...246.1066D

K 5.58 [~] D 2008MNRAS.389.1924F

g (AB) 8.613 [0.030] C 2014MNRAS.437.1725V

r (AB) 8.138 [0.044] C 2014MNRAS.437.1725V

i (AB) 7.879 [0.044] C 2014MNRAS.437.1725V

z (AB) 7.748 [0.044] C 2014MNRAS.437.1725V

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`M 56`	`CSI+30-19146 3`	`GCRV 11736`	`[KPS2012] MWSC 3077`
`C 1914+300`	`GCl 110`	`NGC 6779`

References (455 between 1850 and 2026) (Total 455)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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Data at NED - NASA/IPAC Extragalactic Database : M 56

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NGC 6779

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