20023+1835 ARN 109

 
 
20h 02m 19.71s +18 34' 42.6" P.A. 191 sep 30.7 mag 9.79,10.20 Sp M0
 
 
Coord 2000
20023+1835
Discov num
ARN 109
Comp
Coord arcsec 2000
20 02 19.71 +18 34 42.6
Date first
1904
Date last
2015
Obs
17
Pa first
192
Pa last
191
P.A. Now (θ)
191°
Sep first
30.3
Sep last
30.7
Sep. Now (ρ)
30.7"
Mag pri
9.79
Mag sec
10.20
delta mag (ΔM)
0.41
Spectral class
M0 (red)
Pri motion ra
-006
Sec motion ra
-005
Pri motion dec
-012
Sec motion dec
-012
Notes
U (Proper motion indicates non-physical)
rPM=0.075 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
191.4
Precise sep
30.681
Constellation
Sagitta
SAO
105576
Tycho2
1621-00134-1
Gaia DR2
47115577472
HD
351215
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20023+1835 ARN 109 2009 1 191 30.6 9.60 10.20 V 200219.71+183442.6
20023+1835 ARN 109 2011 9 191 30.3 9.60 10.20 VD 200219.71+183442.6
20023+1835 ARN 109 2015 11 191 30.7 9.79 10.20 M0 V 200219.71+183442.6

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