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20339-2710
CBL 178

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20339-2710 CBL 178

20^h 33^m 53.25^s -27° 10' 17.3" P.A. 40.00 sep 52.0 mag 9.46,12.05 Sp G8V dist. 61.31 pc (199.99 l.y.)

Coord 2000	20339-2710		Discov num	CBL 178		Comp			Coord arcsec 2000	20 33 53.25 -27 10 17.3
Date first	1913		Date last	2015		Obs	7
Pa first	40		Pa last	40		P.A. Now (θ)	40°
Sep first	53.1		Sep last	52.0		Sep. Now (ρ)	52"
Mag pri	9.46		Mag sec	12.05		delta mag (ΔM)	2.59		Spectral class	G8V (yellow)
Pri motion ra	+070		Sec motion ra	+071
Pri motion dec	-085		Sec motion dec	-087
Notes	N T (See Notes, Parallax indicates physical)

rPM=0.02 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	39.9		Precise sep	52.049		Constellation	Capricornus		SAO	189432
HIP	101472		Tycho2	6916-00173-1		Gaia DR2	6799537965261994752		HD	195719
CD	CD-2714884		CP	CP-27 7047		Distance	61.31		Distance ly	199.99

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20339-2710	CBL 178		2000	4	40	52.0	9.40	12.00		V	203353.25-271017.3
20339-2710	CBL 178		2010	5	40	52.0	9.46	12.05	G8V	NV	203353.25-271017.3
20339-2710	CBL 178		2015	6	40	52.0	9.46	12.05	G8V	NTW	203353.25-271017.3

If you need more information about this double, apply for a data request form to the WDS.