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Doubles in session


Current system
20481+3958
CVR 231


Nearby doubles
5' : 20484+4002
SEI1255AB

7' : 20486+4000
TOB 198

14' : 20478+3944
GRV 381

15' : 20490+3947
STF2731AB

20' : 20498+3958
SEI1267

27' : 20488+4024
ALI1192

29' : 20466+4020
ES 1982

34' : 20456+4014
TDT2519

35' : 20454+4011
TDT2518

35' : 20490+3925
TDT2560

36' : 20453+4010
COU2293

38' : 20493+3923
SEI1263AB

40' : 20514+3945
MLB 779AB

41' : 20476+4038
CNT 9

41' : 20495+4035
COU2426

41' : 20489+3919
TDT2558

41' : 20454+4023
OSO 133AB

42' : 20480+3917
A 1434AB

42' : 20515+3944
DAM 317AB

43' : 20485+4041
ES 1682

47' : 20520+4009
MLB 955

49' : 20514+3927
TDT2581

51' : 20457+3917
SEI1241

52' : 20444+4027
TDT2510

55' : 20510+3915
SEI1279AB

55' : 20434+4001
BRT2272



Selections
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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.

20481+3958 CVR 231

 
 
20h 48m 08.40s +39° 58' 14.5" P.A. 359.00 sep 9.7 mag 14.80,16.80 Sp M0+M2
 
 
Coord 2000 20481+3958 Discov num CVR 231 Comp Coord arcsec 2000 20 48 08.40 +39 58 14.5
Date first 1998 Date last 2016 Obs 9
Pa first 359 Pa last 358.8 P.A. Now (θ) 358.8°
Sep first 9.7 Sep last 9.662 Sep. Now (ρ) 9.662"
Mag pri 14.80 Mag sec 16.80 delta mag (ΔM) 2 Spectral class M0+M2 (red/red)
Pri motion ra +066 Sec motion ra +066
Pri motion dec +017 Sec motion dec +012
Notes V R (Proper motion indicates physical, Red magnitudes)
rPM=0.073 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2065031962534395776
 
 
WDS 20481+3958 CVR 231 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Cvr2011 Eu - Chivers, J. 2011JDSO....7..209C
Cvr2011 JDSO 7, 209, 2011
Cvr2014 Es u Chivers, J. 2014JDSO...10...62C
Cvr2014 JDSO 10, 62, 2014
Cvr2014b Es u Chivers, J. 2014JDSO...10..256C
Cvr2014b JDSO 10, 256, 2014
Cvr2014b (Note: Coordinates in main table are of secondary, not primary. Corrected in WDS)
Cvr2014c Eu - Chivers, J. 2014JDSO...10..300C
Cvr2014c JDSO 10, 300, 2014
Cvr2015a Eu u Chivers, J. 2015JDSO...11...42C
Cvr2015a +Es JDSO 11, 42, 2015
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20481+3958 CVR 231 2003 1 359 9.7 14.80 16.80 M0+M2 V R 204808.40+395814.5
20481+3958 CVR 231 2010 3 357 9.6 14.80 16.80 M0+M2 V R 204808.40+395814.5
20481+3958 CVR 231 2015 4 359 9.7 14.80 16.80 M0+M2 V R 204808.40+395814.5
20481+3958 CVR 231 2016 9 359 9.7 14.80 16.80 M0+M2 V R 204808.40+395814.5

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

 
 
WDS 20481+3958 CVR 231 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20481+3958 CVR 231 : MEASURES
 
 
No records found.

 
 
WDS 20481+3958 : VIRTUAL EYEPIECE
 
 

20481+3958 CVR 231A mag 14.8 Sp M0 20481+3958 CVR 231B sep 9.7 P.A. 359.10 mag 16.8 Sp M2 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 20481+3958 : ALADIN DSS IMAGE @ 20h 48m 08.40s +39° 58' 14.5"
 
 
 
 
WDS 20481+3958 CVR 231 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20481+3958 CVR 231 distance=0' 20484+4002 SEI1255AB distance=5' 20484+4002 J 1237BC distance=5' 20486+4000 TOB 198 distance=7' 20478+3944 GRV 381 distance=14' 20490+3947 STF2731AB distance=15' 20490+3947 HO 596AC distance=15' 20490+3947 HO 596AD distance=15' 20498+3958 SEI1267 distance=20' 20488+4024 ALI1192 distance=27' 20466+4020 ES 1982 distance=29' 20456+4014 TDT2519 distance=34' 20454+4011 TDT2518 distance=35' 20490+3925 TDT2560 distance=35' 20453+4010 COU2293 distance=36' 20493+3923 SEI1263AB distance=38' 20493+3923 ALI 952BC distance=38' 20493+3923 DAM 26BD distance=38' 20514+3945 MLB 779AB distance=40' 20514+3945 DAM 316AC distance=40' 20514+3945 DAM 316AD distance=40' 20476+4038 CNT 9 distance=41' 20495+4035 COU2426 distance=41' 20489+3919 TDT2558 distance=41' 20454+4023 OSO 133AB distance=41' 20454+4023 OSO 133AC distance=41' 20454+4023 OSO 133AD distance=41' 20454+4023 OSO 133AE distance=41' 20480+3917 A 1434AB distance=42' 20480+3917 A 1434AB,C distance=42' 20515+3944 DAM 317AB distance=42' 20515+3944 DAM 317AC distance=42' 20485+4041 ES 1682 distance=43' 20520+4009 MLB 955 distance=47' 20514+3927 TDT2581 distance=49' 20457+3917 SEI1241 distance=51' 20444+4027 TDT2510 distance=52' 20510+3915 SEI1279AB distance=55' 20434+4001 BRT2272 distance=55' 20510+3915 SEI1279BC distance=55' 20445+3921 HJ 1572 distance=57' 20441+3927 ES 1981 distance=57' 20434+3943 TDT2497 distance=57' 20440+4030 SLN 85 distance=58' 20526+4024 GRV 391 distance=58' 20436+4024 DAM1256 distance=58' 20446+4040 HJ 1573 distance=59' 20438+3928 SEI1230 distance=59' 20446+4041 HJ 1574 distance=59' 20531+3940 SEI1292 distance=61' 20498+3900 MLB 983 distance=62' 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 20481+3958 CVR 231 359 9.7
Show 20484+4002 SEI1255 AB 338 24.4 5
Show 20484+4002 J 1237 BC 355 5.6 5
Show 20486+4000 TOB 198 96 21.0 7
Show 20478+3944 GRV 381 340 35.8 14
Show 20490+3947 STF2731 AB 86 4.1 15
Show 20490+3947 HO 596 AC 178 18.0 15
Show 20490+3947 HO 596 AD 247 18.2 15
Show 20498+3958 SEI1267 308 3.1 20
Show 20488+4024 ALI1192 2 16.5 27
Show 20466+4020 ES 1982 301 3.9 29
Show 20456+4014 TDT2519 347 1.3 34
Show 20454+4011 TDT2518 203 0.7 35
Show 20490+3925 TDT2560 38 1.1 35
Show 20453+4010 COU2293 201 1.1 36
Show 20493+3923 SEI1263 AB 98 23.6 38
Show 20493+3923 ALI 952 BC 50 4.9 38
Show 20493+3923 DAM 26 BD 53 9.5 38
Show 20514+3945 MLB 779 AB 124 9.0 40
Show 20514+3945 DAM 316 AC 79 6.3 40
Show 20514+3945 DAM 316 AD 304 13.8 40
Show 20476+4038 CNT 9 292 9.0 41
Show 20495+4035 COU2426 328 1.2 41
Show 20489+3919 TDT2558 191 1.1 41
Show 20454+4023 OSO 133 AB 114 12.0 41
Show 20454+4023 OSO 133 AC 236 11.7 41
Show 20454+4023 OSO 133 AD 67 21.8 41
Show 20454+4023 OSO 133 AE 8 22.4 41
Show 20480+3917 A 1434 AB 178 0.0 42
Show 20480+3917 A 1434 AB,C 256 2.5 42
Show 20515+3944 DAM 317 AB 95 14.8 42
Show 20515+3944 DAM 317 AC 357 15.2 42
Show 20485+4041 ES 1682 152 3.1 43
Show 20520+4009 MLB 955 27 6.6 47
Show 20514+3927 TDT2581 146 0.8 49
Show 20457+3917 SEI1241 309 7.1 51
Show 20444+4027 TDT2510 157 0.9 52
Show 20510+3915 SEI1279 AB 147 12.9 55
Show 20434+4001 BRT2272 285 5.1 55
Show 20510+3915 SEI1279 BC 189 7.3 55
Show 20445+3921 HJ 1572 280 15.6 57
Show 20441+3927 ES 1981 310 4.5 57
Show 20434+3943 TDT2497 317 0.5 57
Show 20440+4030 SLN 85 203 9.1 58
Show 20526+4024 GRV 391 144 59.5 58
Show 20436+4024 DAM1256 106 9.6 58
Show 20446+4040 HJ 1573 274 9.8 59
Show 20438+3928 SEI1230 124 25.3 59
Show 20446+4041 HJ 1574 278 7.4 59
Show 20531+3940 SEI1292 205 24.8 61
Show 20498+3900 MLB 983 191 3.8 62

 
 
WDS 20481+3958 : COMPONENTS
 
 
  A
B pa=359.1°
sep=9.66"
 
 
20481+3958 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204808.40+395814.5 Mag 14.8 Spectral class M0 (red)
PmRA 66.00 PmDE 17.0
 
 
20481+3958 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204808.39+395824.2 Mag 16.8 Spectral class M2 (red)
PmRA 66.00 PmDE 12.0 Calc delta mag 2 Calc coord yes