20154+1538 CHE 243AB

Coord 2000	20154+1538		Discov num	CHE 243		Comp	AB		Coord arcsec 2000	20 15 23.34 +15 38 15.3
Date first	1910		Date last	2015		Obs	11
Pa first	222		Pa last	222		P.A. Now (θ)	222°
Sep first	24.4		Sep last	24.0		Sep. Now (ρ)	24"
Mag pri	10.91		Mag sec	13.52		delta mag (ΔM)	2.61		Spectral class
Pri motion ra	-002		Sec motion ra	-018
Pri motion dec	-004		Sec motion dec	+011
Notes

rPM=1.04 This double is not physical.

Show

name

SAO

coord_2000

discov#

comp

first

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

Show

20154+1538

CHE 243

AB

1910

2015

11

222

24.0

10.91

13.52

2.61

<===

Show

20154+1538

CHE 243

AC

1910

2015

11

205

26.6

10.91

13.52

2.61

Triple system
3 visible stars in this system

Precise pa	221.6		Precise sep	24.031		Constellation	Delphinus		Tycho2	1618-01401-1
Gaia DR2	96221181184		HD	355245

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20154+1538	CHE 243	AB	2002	2	221	23.6	9.22	11.00			201523.34+153815.9
20154+1538	CHE 243	AB	2008	3	219	24.0	9.22	11.00			201523.34+153815.9
20154+1538	CHE 243	AB	2015	7	222	24.0	10.91	13.52			201523.34+153815.3

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