15298+0439 HDS2180

 
 
15h 29m 45.04s +04 38' 49.5" P.A. 229.00 sep 1.3 mag 9.78,12.01 Sp F2 dist. 2380.95 pc (7766.66 l.y.)
 
 
Coord 2000
15298+0439
Discov num
HDS2180
Comp
Coord arcsec 2000
15 29 45.04 +04 38 49.5
Date first
1991
Date last
2016
Obs
4
Pa first
230
Pa last
229
P.A. Now (θ)
229°
Sep first
1.3
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
9.78
Mag sec
12.01
delta mag (ΔM)
2.23
Spectral class
F2 (yellow-white)
Pri motion ra
-027
Sec motion ra
-028
Pri motion dec
-008
Sec motion dec
-008
Notes
rPM=0.034 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
228.5
Precise sep
1.251
Constellation
Serpens
HIP
75864
Tycho2
0345-00747-1
Gaia DR2
4428379189352270080
HD
138103
BD
BD+05 3019
Distance
2380.95
Distance ly
7766.66
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15298+0439 HDS2180 1991 2 229 1.3 9.78 12.01 F2 152945.04+043849.5
15298+0439 HDS2180 2010 3 229 1.2 9.78 12.01 F2 152945.04+043849.5

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