18409+0102 CON 36 CD

 
 
18h 40m 51.87s +01° 02' 12.9" P.A. 281.00 sep 2.2 mag 9.60,
 
 
Coord 2000 18409+0102 Discov num CON  36 Comp CD Coord arcsec 2000 18 40 51.87 +01 02 12.9
Date first 2004 Date last 2004 Obs 1
Pa first 281 Pa last 280.8 P.A. Now (θ) 280.8°
Sep first 2.2 Sep last 2.15 Sep. Now (ρ) 2.15"
Mag pri 9.60 Mag sec delta mag (ΔM) Spectral class
Pri motion ra Sec motion ra
Pri motion dec Sec motion dec
Notes K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
 
 
18409+0102 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 40 52 +01 02 13 CON 36 AB 2004 1 141 0.2 9.60
Show 18 40 52 +01 02 13 CON 36 CD 2004 1 281 2.2 9.60 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens
 
 
WDS 18409+0102 CON 36 CD : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Con2008 Ci j Connelley, M.S., Reipurth, B., & Tokunaga, A.T. 2008AJ....135.2496C
Con2008 AJ 135, 2496, 2008
Con2008 (IR duplicity survey among YSOs. Note that primary magnitudes in summary lines
Con2008 are K-band magnitudes of IRAS objects containing these pairs, so are in general
Con2008 severe overestimates of these objects' brightnesses)
Con2008b - Connelley, M.S., Reipurth, B., & Tokunaga, A.T. 2008AJ....135.2526C
Con2008b AJ 135, 2526, 2008 (statistical analysis; no data)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18409+0102 CON 36 CD 2004 1 281 2.2 9.60   DK 184051.87+010212.9

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WDS 18409+0102 CON 36 CD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18409+0102 CON 36 CD : MEASURES
 
 
No records found.

 
 
WDS 18409+0102 : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
Components only
 
 
WDS 18409+0102 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.