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Doubles in session


Current system
20042+4442
KOI 917 AB


Nearby doubles
4' : 20044+4446
KOI6060

11' : 20046+4452
KOI3506

12' : 20032+4439
KOI3518

13' : 20054+4440
KOI2181AB

17' : 20054+4431
KOI7051

19' : 20054+4430
KOI1253

19' : 20042+4501
KOI1256

20' : 20060+4443
KOI5556AB

21' : 20046+4423
KOI4407AB

22' : 20037+4421
KOI4724AB

23' : 20042+4505
KOI3886

24' : 20035+4420
KOI 116AB

25' : 20042+4418
KOI5512

25' : 20038+4507
KOI5583

26' : 20050+4506
KOI1414

27' : 20063+4427
TB 1AB

27' : 20061+4500
ES 1329

28' : 20029+4506
KOI2985

28' : 20056+4419
KOI1135AB

29' : 20040+4414
KOI1132

29' : 20041+4414
KOI7020

30' : 20051+4415
KOI3318AB

30' : 20021+4423
KOI 152AB

32' : 20039+4411
ES 85AB

33' : 20012+4444
KOI4458AB

33' : 20019+4421
RAO 96



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20042+4442 KOI 917 AB

 
 
20h 04m 11.89s +44° 42' 22.6" P.A. 43.00 sep 2.7 mag 13.50,18.00
 
 
Coord 2000 20042+4442 Discov num KOI 917 Comp AB Coord arcsec 2000 20 04 11.89 +44 42 22.6
Date first 2010 Date last 2015 Obs 2
Pa first 42 Pa last 43 P.A. Now (θ) 43°
Sep first 2.7 Sep last 2.698 Sep. Now (ρ) 2.698"
Mag pri 13.50 Mag sec 18.00 delta mag (ΔM) 4.5 Spectral class
Pri motion ra +000 Sec motion ra
Pri motion dec -002 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.
 
 
20042+4442 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 04 12 +44 42 23 KOI 917 AB 2015 2 43 2.7 13.50 18.00 4.50 <===
Show 20 04 12 +44 42 23 KOI 917 AC 2010 1 177 3.9 13.50 17.80 4.30
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2082086723605479424
 
 
WDS 20042+4442 KOI 917 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
KOI "Kepler Object of Interest" (transiting exoplanet candidate of Kepler mission. ...................
KOI Identifications maintained for KOI doubles, adding only component designations.
KOI KOI reference codes are also given to papers cited in notes to KOI papers.)
KOI2011a not - Slawson, R.W., Prsa, A., Welsh, W.F., et al. 2011AJ....142..160S
KOI2011a AJ 142, 160, 2011 (see Dressing et al. 2014) 2014AJ....148...78D
KOI2011b not - Borucki, W.J., Koch, D.G., Basri, G., et al. 2011ApJ...736...19B
KOI2011b ApJ 736, 19, 2011 (see Dressing et al. 2014) 2014AJ....148...78D
KOI2012a not - Howell, S.B., Rowe, J.F., Bryson, S.T., et al. 2012ApJ...746..123H
KOI2012a ApJ 746, 123, 2012 (see Dressing et al. 2014) 2014AJ....148...78D
KOI2012b not - Welsh, W.F., Orosz, J.A., Carter, J.A., et al. 2012Natur.481..475W
KOI2012b Nature 481, 475, 2012 (see Dressing et al. 2014) 2014AJ....148...78D
KOI2013a not - Batalha, N.M., Rowe, J.F., Bryson, S.T., et al. 2013ApJS..204...24B
KOI2013a ApJS 204, 24, 2013 (see Dressing et al. 2014) 2014AJ....148...78D
KOI2014a not - Burke, C.J., Bryson, S.T., Mullally, F., et al. 2014ApJS..210...19B
KOI2014a ApJS 210, 19, 2014 (see Dressing et al. 2014) 2014AJ....148...78D
KOI2014b not - Rowe, J.F., Bryson, S.T., Marcy, G.W., et al. 2014ApJ...784...45R
KOI2014b ApJ 784, 45, 2014 (see Dressing et al. 2014) 2014AJ....148...78D
KOI2015 not - Metcalfe, T.S., Creevey, O.L. & Davies, G.R. 2014ApJ...811L..37M
KOI2015 ApJ 811L, 37, 2015 2014AJ....148...78D
KOI2017 A - Hirsch, L.A., Ciardi, D.R., Howard, A.W., Everett, M.E., Furlan, E., Saylors, M., 2017AJ....153..117H
KOI2017 +S Horch, E.P., Howell, S.B., Teske, J., & Marcy, G.W.
KOI2017 +Cl AJ 153, 117, 2017 (no new data)
KOI2017 +Hp
KOI2018a A j Clarke, R.W., Davenport, J.R.A., Covey, K.R. & Baranec, C. 2018ApJ...853...59C
KOI2018a ApJ 853, 59, 2018
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20042+4442 KOI 917 AB 2010 1 42 2.7 13.50 18.00 K 200411.89+444222.6
20042+4442 KOI 917 AB 2015 2 43 2.7 13.50 18.00 K 200411.89+444222.6

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

 
 
WDS 20042+4442 KOI 917 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20042+4442 KOI 917 AB : MEASURES
 
 
No records found.

 
 
WDS 20042+4442 : VIRTUAL EYEPIECE
 
 

20042+4442 KOI 917A mag 13.5 20042+4442 KOI 917B sep 2.4 P.A. 33.50 mag 18 20042+4442 KOI 917C sep 3.9 P.A. 177.50 mag 17.8 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20042+4442 : ALADIN DSS IMAGE @ 20h 04m 11.89s +44° 42' 22.6"
 
 
 
 
WDS 20042+4442 KOI 917 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20042+4442 KOI 917AB distance=1' 20042+4442 KOI 917AC distance=1' 20044+4446 KOI6060 distance=4' 20046+4452 KOI3506 distance=11' 20032+4439 KOI3518 distance=12' 20054+4440 KOI2181AB distance=13' 20054+4440 KOI2181AC distance=13' 20054+4440 KOI2181AD distance=13' 20054+4431 KOI7051 distance=17' 20054+4430 KOI1253 distance=19' 20042+4501 KOI1256 distance=19' 20060+4443 KOI5556AB distance=20' 20060+4443 KOI5556AC distance=20' 20046+4423 KOI4407AB distance=21' 20046+4423 KOI4407AC distance=21' 20046+4423 KOI4407AD distance=21' 20046+4423 KOI4407AE distance=21' 20037+4421 KOI4724AB distance=22' 20037+4421 KOI4724AC distance=22' 20042+4505 KOI3886 distance=23' 20035+4420 KOI 116AB distance=24' 20035+4420 KOI 116AC distance=24' 20035+4420 KOI 116AD distance=24' 20035+4420 KOI 116AE distance=24' 20035+4420 KOI 116AF distance=24' 20035+4420 KOI 116AG distance=24' 20035+4420 KOI 116AH distance=24' 20035+4420 KOI 116AI distance=24' 20035+4420 KOI 116AJ distance=24' 20035+4420 KOI 116AK distance=24' 20042+4418 KOI5512 distance=25' 20038+4507 KOI5583 distance=25' 20050+4506 KOI1414 distance=26' 20063+4427 TB 1AB distance=27' 20063+4427 TB 1AC distance=27' 20063+4427 TB 1AD distance=27' 20061+4500 ES 1329 distance=27' 20029+4506 KOI2985 distance=28' 20056+4419 KOI1135AB distance=28' 20056+4419 KOI1135AC distance=28' 20040+4414 KOI1132 distance=29' 20041+4414 KOI7020 distance=29' 20051+4415 KOI3318AB distance=30' 20051+4415 KOI3318AC distance=30' 20051+4415 KOI3318AD distance=30' 20021+4423 KOI 152AB distance=30' 20021+4423 KOI 152AC distance=30' 20021+4423 KOI 152AD distance=30' 20021+4423 KOI 152AE distance=30' 20021+4423 KOI 152AF distance=30' 20021+4423 KOI 152AG distance=30' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20042+4442 KOI 917 AB 43 2.7 1
Show 20042+4442 KOI 917 AC 177 3.9 1
Show 20044+4446 KOI6060 59 3.7 4
Show 20046+4452 KOI3506 188 2.4 11
Show 20032+4439 KOI3518 109 3.4 12
Show 20054+4440 KOI2181 AB 71 3.5 13
Show 20054+4440 KOI2181 AC 28 3.8 13
Show 20054+4440 KOI2181 AD 184 7.6 13
Show 20054+4431 KOI7051 112 3.4 17
Show 20054+4430 KOI1253 159 3.5 19
Show 20042+4501 KOI1256 246 3.0 19
Show 20060+4443 KOI5556 AB 249 3.2 20
Show 20060+4443 KOI5556 AC 163 3.4 20
Show 20046+4423 KOI4407 AB 299 2.5 21
Show 20046+4423 KOI4407 AC 311 2.7 21
Show 20046+4423 KOI4407 AD 205 2.3 21
Show 20046+4423 KOI4407 AE 189 4.1 21
Show 20037+4421 KOI4724 AB 31 3.1 22
Show 20037+4421 KOI4724 AC 182 3.0 22
Show 20042+4505 KOI3886 116 0.5 23
Show 20035+4420 KOI 116 AB 312 1.7 24
Show 20035+4420 KOI 116 AC 271 3.0 24
Show 20035+4420 KOI 116 AD 277 4.7 24
Show 20035+4420 KOI 116 AE 141 5.8 24
Show 20035+4420 KOI 116 AF 107 7.5 24
Show 20035+4420 KOI 116 AG 350 8.5 24
Show 20035+4420 KOI 116 AH 20 10.9 24
Show 20035+4420 KOI 116 AI 357 13.1 24
Show 20035+4420 KOI 116 AJ 141 13.8 24
Show 20035+4420 KOI 116 AK 114 13.5 24
Show 20042+4418 KOI5512 30 3.9 25
Show 20038+4507 KOI5583 320 4.0 25
Show 20050+4506 KOI1414 210 2.4 26
Show 20063+4427 TB 1 AB 96 2.0 27
Show 20063+4427 TB 1 AC 256 3.8 27
Show 20063+4427 TB 1 AD 233 2.8 27
Show 20061+4500 ES 1329 210 9.3 27
Show 20029+4506 KOI2985 113 1.7 28
Show 20056+4419 KOI1135 AB 257 2.6 28
Show 20056+4419 KOI1135 AC 354 3.6 28
Show 20040+4414 KOI1132 265 2.3 29
Show 20041+4414 KOI7020 24 3.0 29
Show 20051+4415 KOI3318 AB 318 3.0 30
Show 20051+4415 KOI3318 AC 99 3.1 30
Show 20051+4415 KOI3318 AD 134 3.4 30
Show 20021+4423 KOI 152 AB 340 5.7 30
Show 20021+4423 KOI 152 AC 30 2.5 30
Show 20021+4423 KOI 152 AD 22 4.2 30
Show 20021+4423 KOI 152 AE 151 4.2 30
Show 20021+4423 KOI 152 AF 133 4.6 30
Show 20021+4423 KOI 152 AG 152 5.0 30

 
 
WDS 20042+4442 : COMPONENTS
 
 
  A B
B pa=33.5°
sep=2.37"
 
C pa=177.5°
sep=3.86"
pa=191.1°
sep=5.94"
 
 
20042+4442 A
 
 
Coord arcsec 2000 200411.89+444222.6 Mag 13.5 PmRA 0.00 PmDE -2.0
 
 
20042+4442 B
 
 
Coord arcsec 2000 200412.01+444224.6 Mag 18 Calc delta mag 4.5 Calc coord yes
 
 
20042+4442 C
 
 
Coord arcsec 2000 200411.91+444218.7 Mag 17.8 Calc delta mag 4.3 Calc coord yes