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Current system

01075+0810
GRV 71

Selections

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Binocular doubles
Binary Systems
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

01075+0810 GRV 71

01^h 07^m 31.52^s +08° 10' 46.8" P.A. 28.00 sep 72.2 mag 11.26,13.43

Coord 2000	01075+0810		Discov num	GRV 71		Comp			Coord arcsec 2000	01 07 31.52 +08 10 46.8
Date first	1954		Date last	2015		Obs	8
Pa first	28		Pa last	28		P.A. Now (θ)	28°
Sep first	72.2		Sep last	72.2		Sep. Now (ρ)	72.2"
Mag pri	11.26		Mag sec	13.43		delta mag (ΔM)	2.17		Spectral class
Pri motion ra	+020		Sec motion ra	+083
Pri motion dec	-012		Sec motion dec	-013
Notes

rPM=0.75

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	27.5		Precise sep	72.21		Constellation	Pisces		Tycho2	0612-00999-1
Gaia DR2	2577881466034230912

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01075+0810	GRV 71		2000	2	28	72.3	11.20	13.30		D	010731.52+081046.8
01075+0810	GRV 71		2010	4	28	72.3	11.26	13.43			010731.52+081046.8
01075+0810	GRV 71		2015	5	28	72.2	11.26	13.43			010731.52+081046.8

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