20247+1443 VLM   4AC

Coord 2000	20247+1443		Discov num	VLM   4		Comp	AC		Coord arcsec 2000	20 24 40.27 +14 42 52.5
Date first	1997		Date last	2019		Obs	10
Pa first	153		Pa last	152		P.A. Now (θ)	152°
Sep first	17.6		Sep last	17.4		Sep. Now (ρ)	17.4"
Mag pri	11.10		Mag sec	13.80		delta mag (ΔM)	2.7		Spectral class
Pri motion ra	-003		Sec motion ra	+007
Pri motion dec	-014		Sec motion dec	-004
Notes

rPM=0.988 This double is not physical.

Show

name

SAO

coord_2000

discov#

comp

first

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

Show

20247+1443

HJ 1508

AB

1828

2019

14

59

13.9

11.10

13.50

2.40

Show

20247+1443

VLM 4

AC

1997

2019

10

152

17.4

11.10

13.80

2.70

<===

Triple system
3 visible stars in this system

Precise pa	152.2		Precise sep	17.4		Constellation	Delphinus		Tycho2	1086-00887-1
Gaia DR2	74006493184

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20247+1443	VLM 4	AC	2006	2	153	17.6	11.13	13.60		D	202440.27+144252.5
20247+1443	VLM 4	AC	2016	4	153	17.4	11.10	13.80			202440.27+144252.5
20247+1443	VLM 4	AC	2019	10	152	17.4	11.10	13.80			202440.27+144252.5

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