20308+1347 STF2688

 
 
20h 30m 48.26s +13 47' 02.4" P.A. 175 sep 8 mag 9.35,10.41 Sp G0
 
 
Coord 2000
20308+1347
Discov num
STF2688
Comp
Coord arcsec 2000
20 30 48.26 +13 47 02.4
Date first
1829
Date last
2018
Obs
36
Pa first
173
Pa last
175
P.A. Now (θ)
175°
Sep first
5.6
Sep last
8.0
Sep. Now (ρ)
8"
Mag pri
9.35
Mag sec
10.41
delta mag (ΔM)
1.06
Spectral class
G0 (yellow)
Pri motion ra
-001
Sec motion ra
+000
Pri motion dec
+004
Sec motion dec
-007
Notes
N (See Notes)
rPM=1.578
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
174.8
Precise sep
8.04
Constellation
Delphinus
SAO
106189
Tycho2
1099-01720-1
Gaia DR2
92383139968
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20308+1347 STF2688 2000 25 175 7.5 9.35 10.41 G0 N D 203048.26+134702.4
20308+1347 STF2688 2010 26 174 7.7 9.35 10.41 G0 N D 203048.26+134702.4
20308+1347 STF2688 2011 27 175 7.7 9.35 10.41 G0 N D 203048.26+134702.4
20308+1347 STF2688 2016 31 175 7.9 9.35 10.41 G0 N 203048.26+134702.4

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