18540+2728 LDS4801

 
 
18h 53m 58.00s +27 28' 08.4" P.A. 351 sep 244.4 mag 10.49,15.30 Sp G5
 
 
Coord 2000
18540+2728
Discov num
LDS4801
Comp
Coord arcsec 2000
18 53 58.00 +27 28 08.4
Date first
1960
Date last
2010
Obs
4
Pa first
351
Pa last
351
P.A. Now (θ)
351°
Sep first
248.0
Sep last
244.4
Sep. Now (ρ)
244.4"
Mag pri
10.49
Mag sec
15.30
delta mag (ΔM)
4.81
Spectral class
G5 (yellow)
Pri motion ra
-058
Sec motion ra
-002
Pri motion dec
-073
Sec motion dec
-134
Notes
rPM=0.618
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
351.2
Precise sep
244.42
Constellation
Lyra
Tycho2
2117-00183-1
HD
337071
last precise pa
351.2
last precise sep
244.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18540+2728 LDS4801 1960 1 351 248.0 10.49 14.80 185358.00+272808.4
18540+2728 LDS4801 2000 2 351 245.3 10.49 15.30 185358.00+272808.4
18540+2728 LDS4801 2002 3 351 245.0 10.49 15.30 185358.00+272808.4
18540+2728 LDS4801 2010 4 351 244.4 10.49 15.30 G5 185358.00+272808.4

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