20157+1508 CHE 249AB

 
 
20h 15m 42.96s +15 08' 40.1" P.A. 349 sep 22.6 mag 12.54,13.85
 
 
Coord 2000
20157+1508
Discov num
CHE 249
Comp
AB
Coord arcsec 2000
20 15 42.96 +15 08 40.1
Date first
1910
Date last
2018
Obs
6
Pa first
348
Pa last
349
P.A. Now (θ)
349°
Sep first
22.9
Sep last
22.6
Sep. Now (ρ)
22.6"
Mag pri
12.54
Mag sec
13.85
delta mag (ΔM)
1.31
Spectral class
Pri motion ra
-094
Sec motion ra
-035
Pri motion dec
+040
Sec motion dec
+012
Notes
N (See Notes)
rPM=0.639
Nature of this double is uncertain.
 
 
20157+1508 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20157+1508 CHE 249 AB 1910 2018 6 349 22.6 12.54 13.85 1.31 <===
Show 20157+1508 BKO 549 AC 1998 2015 4 111 4.8 12.54 15.00 2.46
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
348.6
Precise sep
22.6
Constellation
Delphinus
Gaia DR2
40638198656
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20157+1508 CHE 249 AB 2008 2 348 22.9 12.54 13.85 201542.96+150840.1
20157+1508 CHE 249 AB 2015 5 348 22.8 12.54 13.85 N 201542.96+150840.1
20157+1508 CHE 249 AB 2018 6 349 22.6 12.54 13.85 N 201542.96+150840.1

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