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Doubles in session


Current system
21503+7410
UC 4578 BC


Nearby doubles
5' : 21493+7410
UC 4573

12' : 21515+7419
UC 4582

16' : 21537+7402
UC 4591

18' : 21461+7411
SKF1102

20' : 21546+7401
UC 4594

24' : 21560+7404
UC 4601AB

24' : 21555+7358
UC 4599AB

26' : 21566+7408
UC 4607

28' : 21561+7356
UC 4603

34' : 21581+7359
UC 4615

38' : 21585+7425
KPP 501

39' : 21409+7406
UC 4524

45' : 22008+7417
LDS1966

47' : 21398+7425
MLR 250

48' : 21391+7421
KPP4240

55' : 21563+7321
MLB 427

65' : 21547+7307
HJ 3081

66' : 21482+7303
MLB 426

69' : 22064+7430
STF2874

69' : 21592+7311
BU 1509

69' : 21460+7515
UC 4555

71' : 22041+7328
MLR 255

72' : 21342+7344
OSW 62

75' : 22065+7445
LDS1967

78' : 22082+7438
MLR 256

83' : 22043+7311
A 894



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.

21503+7410 UC 4578 BC

 
 
21h 50m 17.26s +74° 08' 23.2" P.A. 48.00 sep 71.7 mag 15.36,16.60
 
 
Coord 2000 21503+7410 Discov num UC 4578 Comp BC Coord arcsec 2000 21 50 17.26 +74 08 23.2
Date first 1953 Date last 2015 Obs 6
Pa first 48 Pa last 48.1 P.A. Now (θ) 48.1°
Sep first 71.4 Sep last 71.668 Sep. Now (ρ) 71.668"
Mag pri 15.36 Mag sec 16.60 delta mag (ΔM) 1.24 Spectral class
Pri motion ra -003 Sec motion ra -005
Pri motion dec +107 Sec motion dec +095
Notes
rPM=0.114 (< 0.3, Physical double)
This double is physical.
 
 
21503+7410 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 50 19 +74 09 36 UC 4578 AB 2015 9 187 73.6 15.05 15.36 0.31
Show 21 50 19 +74 09 36 UC 4578 AC 2015 6 120 51.1 15.05 16.60 1.55
Show 21 50 17 +74 08 23 UC 4578 BC 2015 6 48 71.7 15.36 16.60 1.24 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Gaia DR2 2279954771716515072
 
 
WDS 21503+7410 UC 4578 BC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
UC USNO CCD Astrographic Catalog (UCAC1, UCAC2, UCAC3, UCAC4) ...................
UC_2013a Eu j Zacharias, N., Finch, C.T., Girard, T.M., Henden, A., Bartlett, J.L., Monet, D.G., 2013AJ....145...44Z
UC_2013a & Zacharias, M.I. (UCAC4 Catalog)
UC_2013a AJ 145, 44, 2013
UC_2013b Eu j Hartkopf, W.I., Mason, B.D., Finch, C.T., Zacharias, N., Wycoff, G.L., & Hsu, D. 2013AJ....146...76H
UC_2013b AJ 146, 76, 2013 (UC 301 - 5058)
UC_2013b (Relative astrometry is derived from individual measurements, not precessed means.
UC_2013b UCAC aperture magnitudes are listed, unless the duplicity flag indicates a blended
UC_2013b image (a flag value of 30 or higher). Model fit magnitudes are given for both
UC_2013b components if either has such a flag. Model fit magnitudes are indicated by the
UC_2013b letter "f" following the filter information.
UC_2013b APASS photometry extracted from UCAC4 catalog is listed under reference AAV2012.
UC_2013b Due to aperture method used, APASS photometry is only included for pairs wider
UC_2013b than 10" (Henden, private comm.) Photometry for pairs wider than 10" which showed
UC_2013b identical values for both components in all filters were removed, as well.
UC_2015 Eu - Zacharias, N., Finch, C.T., Subasavage, J.P., Bredthauer, G., Crockett, C., 2015AJ....150..101Z
UC_2015 DiVittorio, M., Ferguson, E., Harris, F., Harris, H.C., Hendon, A., Kilian, C.,
UC_2015 Munn, J., Rafferty, T., Rhodes, A., Schultheis, M., Tilleman, T., & Wieder, G.
UC_2015 AJ 150, 101, 2015
UC_9999 Eu - temporary UCAC files ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21503+7410 UC 4578 BC 2000 2 48 71.6 15.10 16.40 V 215017.26+740823.2
21503+7410 UC 4578 BC 2003 2 48 71.3 15.10 16.40 V 215017.26+740823.2
21503+7410 UC 4578 BC 2013 6 48 71.7 15.36 16.60 V 215017.26+740823.2
21503+7410 UC 4578 BC 2015 7 48 71.7 15.36 16.60 215017.26+740823.2

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

 
 
WDS 21503+7410 UC 4578 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21503+7410 UC 4578 BC : MEASURES
 
 
No records found.

 
 
WDS 21503+7410 : VIRTUAL EYEPIECE
 
 

21503+7410 UC 4578A mag 15.05 21503+7410 UC 4578B sep 73.6 P.A. 186.90 mag 15.36 21503+7410 UC 4578C sep 27.9 P.A. 154.20 mag 16.6 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 21503+7410 : ALADIN DSS IMAGE @ 21h 50m 17.26s +74° 08' 23.2"
 
 
 
 
WDS 21503+7410 UC 4578 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21503+7410 UC 4578BC distance=0' 21503+7410 UC 4578AB distance=2' 21503+7410 UC 4578AC distance=2' 21493+7410 UC 4573 distance=5' 21515+7419 UC 4582 distance=12' 21537+7402 UC 4591 distance=16' 21461+7411 SKF1102 distance=18' 21546+7401 UC 4594 distance=20' 21555+7358 UC 4599DE distance=22' 21555+7358 UC 4599CD distance=23' 21555+7358 UC 4599BC distance=23' 21560+7404 UC 4601CD distance=24' 21560+7404 UC 4601AB distance=24' 21560+7404 UC 4601AC distance=24' 21555+7358 UC 4599AB distance=24' 21560+7404 UC 4601BD distance=25' 21566+7408 UC 4607 distance=26' 21561+7356 UC 4603 distance=28' 21581+7359 UC 4615 distance=34' 21585+7425 KPP 501 distance=38' 21409+7406 UC 4524 distance=39' 22008+7417 LDS1966 distance=45' 21398+7425 MLR 250 distance=47' 21391+7421 KPP4240 distance=48' 21563+7321 MLB 427 distance=55' 21547+7307 HJ 3081 distance=65' 21482+7303 MLB 426 distance=66' 22064+7430 STF2874 distance=69' 21592+7311 BU 1509 distance=69' 21460+7515 UC 4555 distance=69' 22041+7328 MLR 255 distance=71' 21342+7344 OSW 62 distance=72' 22065+7445 LDS1967 distance=75' 22082+7438 MLR 256 distance=78' 22043+7311 A 894 distance=83' 21374+7513 STT 449 distance=83' 21309+7342 MLB 425 distance=86' 22087+7330 TDT3364 distance=86' 21584+7535 RAO 690 distance=93' 21321+7507 OSW 63 distance=93' 21344+7300 OSW 61 distance=96' 21363+7247 HJ 3051 distance=102' 22075+7251 LDS1970 distance=107' 21320+7256 LDS1955 distance=107' 21431+7225 NSN 747 distance=108' 21592+7225 MLB 429 distance=111' 21562+7220 HJ 3082 distance=113' 21589+7602 MLR 254 distance=119' 21573+7605 A 892 distance=120' 21580+7213 MLB 428 distance=121' 22070+7557 TDT3350AB distance=126' 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 21503+7410 UC 4578 BC 48 71.7
Show 21503+7410 UC 4578 AB 187 73.6 2
Show 21503+7410 UC 4578 AC 120 51.1 2
Show 21493+7410 UC 4573 264 51.6 5
Show 21515+7419 UC 4582 96 50.5 12
Show 21537+7402 UC 4591 233 43.9 16
Show 21461+7411 SKF1102 184 2.3 18
Show 21546+7401 UC 4594 146 57.4 20
Show 21555+7358 UC 4599 DE 227 67.4 22
Show 21555+7358 UC 4599 CD 243 85.4 23
Show 21555+7358 UC 4599 BC 305 42.2 23
Show 21560+7404 UC 4601 CD 137 33.9 24
Show 21560+7404 UC 4601 AB 29 32.1 24
Show 21560+7404 UC 4601 AC 303 53.1 24
Show 21555+7358 UC 4599 AB 321 62.5 24
Show 21560+7404 UC 4601 BD 237 43.9 25
Show 21566+7408 UC 4607 118 51.7 26
Show 21561+7356 UC 4603 241 30.5 28
Show 21581+7359 UC 4615 201 39.7 34
Show 21585+7425 KPP 501 92 3.4 38
Show 21409+7406 UC 4524 143 46.4 39
Show 22008+7417 LDS1966 155 1.9 45
Show 21398+7425 MLR 250 315 0.7 47
Show 21391+7421 KPP4240 238 6.8 48
Show 21563+7321 MLB 427 161 2.6 55
Show 21547+7307 HJ 3081 315 32.2 65
Show 21482+7303 MLB 426 116 2.4 66
Show 22064+7430 STF2874 149 9.8 69
Show 21592+7311 BU 1509 169 118.7 69
Show 21460+7515 UC 4555 332 16.7 69
Show 22041+7328 MLR 255 247 1.9 71
Show 21342+7344 OSW 62 27 119.4 72
Show 22065+7445 LDS1967 42 44.9 75
Show 22082+7438 MLR 256 156 0.3 78
Show 22043+7311 A 894 149 0.4 83
Show 21374+7513 STT 449 127 1.2 83
Show 21309+7342 MLB 425 338 2.0 86
Show 22087+7330 TDT3364 229 1.5 86
Show 21584+7535 RAO 690 316 218.6 93
Show 21321+7507 OSW 63 233 87.1 93
Show 21344+7300 OSW 61 183 87.2 96
Show 21363+7247 HJ 3051 183 13.5 102
Show 22075+7251 LDS1970 359 4.2 107
Show 21320+7256 LDS1955 67 3.1 107
Show 21431+7225 NSN 747 59 1.0 108
Show 21592+7225 MLB 429 229 3.3 111
Show 21562+7220 HJ 3082 80 10.5 113
Show 21589+7602 MLR 254 309 2.5 119
Show 21573+7605 A 892 230 1.3 120
Show 21580+7213 MLB 428 79 5.5 121
Show 22070+7557 TDT3350 AB 145 4.1 126

 
 
WDS 21503+7410 : COMPONENTS
 
 
  A B
B pa=186.9°
sep=73.64"
 
C pa=154.2°
sep=27.93"
pa=23.7°
sep=52.36"
 
 
21503+7410 A
 
 
Coord arcsec 2000 215019.43+740936.3 Mag 15.05 PmRA -10.00 PmDE 97.0
 
 
21503+7410 B
 
 
Coord arcsec 2000 215017.26+740823.2 Coord calc 215017.26+740823.2 Mag 15.36 PmRA -3.00
PmDE 107.0 Calc delta mag 0.31
 
 
21503+7410 C
 
 
Coord arcsec 2000 215022.39+740911.1 Mag 16.6 PmRA -5.00 PmDE 95.0
Calc delta mag 1.55 Calc coord yes