20172+2415 GRV 326AC

Coord 2000	20172+2415		Discov num	GRV 326		Comp	AC		Coord arcsec 2000	20 17 13.11 +24 15 06.9
Date first	1894		Date last	2015		Obs	13
Pa first	263		Pa last	262		P.A. Now (θ)	262°
Sep first	35.2		Sep last	34.8		Sep. Now (ρ)	34.8"
Mag pri	9.19		Mag sec	10.22		delta mag (ΔM)	1.03		Spectral class
Pri motion ra	-013		Sec motion ra	-011
Pri motion dec	-017		Sec motion dec	-018
Notes

rPM=0.104 (< 0.3, Physical double) This double is physical.

Show

name

SAO

coord_2000

discov#

comp

first

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

Show

20172+2415

HDS2893

AB

1991

2009

3

168

0.3

9.19

11.49

2.30

Show

20172+2415

GRV 326

AC

1894

2015

13

262

34.8

9.19

10.22

1.03

<===

Triple system
3 visible stars in this system

Precise pa	262.3		Precise sep	34.841		Constellation	Vulpecula		SAO	88457
HIP	99998		Tycho2	2155-00725-1		Gaia DR2	40958762240		HD	193013
BD	BD+23 3956		Distance	398.41		Distance ly	1299.61

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20172+2415	GRV 326	AC	2000	10	262	34.9	9.19	10.22		D	201713.11+241506.9
20172+2415	GRV 326	AC	2010	11	262	36.1	9.19	10.22		D	201713.11+241506.9
20172+2415	GRV 326	AC	2011	12	262	34.8	9.19	10.22		D	201713.11+241506.9
20172+2415	GRV 326	AC	2015	13	262	34.8	9.19	10.22			201713.11+241506.9

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