20155+1452 CHE 245AB

Coord 2000	20155+1452		Discov num	CHE 245		Comp	AB		Coord arcsec 2000	20 15 35.45 +14 52 46.7
Date first	1910		Date last	2015		Obs	10
Pa first	286		Pa last	286		P.A. Now (θ)	286°
Sep first	18.4		Sep last	17.9		Sep. Now (ρ)	17.9"
Mag pri	12.26		Mag sec	13.02		delta mag (ΔM)	0.76		Spectral class
Pri motion ra	-005		Sec motion ra	-007
Pri motion dec	+000		Sec motion dec	-002
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.389 Nature of this double is uncertain.

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name

SAO

coord_2000

discov#

comp

first

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

Show

20155+1452

CHE 245

AB

1910

2015

10

286

17.9

12.26

13.02

0.76

<===

Show

20155+1452

BKO 545

AC

1998

2015

8

1

6.7

12.26

13.80

1.54

Triple system
3 visible stars in this system

Precise pa

286.1

Precise sep

17.855

Constellation

Delphinus

Gaia DR2

94038688128

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20155+1452	CHE 245	AB	2008	3	286	17.9	12.26	13.02		D	201535.45+145246.7
20155+1452	CHE 245	AB	2015	6	286	17.9	12.26	13.02		N	201535.45+145246.7

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