20001+1636 J  1204AB

Coord 2000	20001+1636		Discov num	J  1204		Comp	AB		Coord arcsec 2000	19 59 56.11 +16 36 18.0
Date first	1915		Date last	2006		Obs	4
Pa first	235		Pa last	235		P.A. Now (θ)	235°
Sep first	41.1		Sep last	40.2		Sep. Now (ρ)	40.2"
Mag pri	10.93		Mag sec	12.67		delta mag (ΔM)	1.74		Spectral class
Pri motion ra	+003		Sec motion ra	+017
Pri motion dec	+001		Sec motion dec	-004
Notes

rPM=0.851 This double is not physical.

Show

name

SAO

coord_2000

discov#

comp

first

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

Show

20001+1636

J 1204

AB

1915

2006

4

235

40.2

10.93

12.67

1.74

<===

Show

20001+1636

J 1204

BC

1915

2006

2

271

1.9

12.70

13.70

1.00

Triple system
3 visible stars in this system

Precise pa	235		Precise sep	40.19		Constellation	Sagitta		last precise pa	235
last precise sep	40.19

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20001+1636	J 1204	AB	1915	1	235	41.1	9.30	12.00			200060.00+163600.0
20001+1636	J 1204	AB	1997	2	235	40.2	10.93	12.70		D	195956.11+163618.0
20001+1636	J 1204	AB	2006	3	235	40.2	10.93	12.70		D	195956.11+163618.0

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