20247+2739 MLB 707

 
 
20h 24m 37.52s +27 39' 42.4" P.A. 358 sep 3.5 mag 12.18,13.40
 
 
Coord 2000
20247+2739
Discov num
MLB 707
Comp
Coord arcsec 2000
20 24 37.52 +27 39 42.4
Date first
1931
Date last
2015
Obs
4
Pa first
2
Pa last
358
P.A. Now (θ)
358°
Sep first
2.8
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
12.18
Mag sec
13.40
delta mag (ΔM)
1.22
Spectral class
Pri motion ra
+013
Sec motion ra
+004
Pri motion dec
-052
Sec motion dec
+015
Notes
rPM=1.261
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
357.9
Precise sep
3.475
Constellation
Vulpecula
SAO
88642
Tycho2
2164-00436-1
Gaia DR2
09212068864
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20247+2739 MLB 707 1987 2 0 4.1 12.18 13.40 202437.52+273942.4
20247+2739 MLB 707 2002 3 358 3.4 12.18 13.40 202437.52+273942.4
20247+2739 MLB 707 2015 4 358 3.5 12.18 13.40 202437.52+273942.4

If you need more information about this double, apply for a data request form to the WDS.