stampa
Login

Create your own observing lists in a few clicks and save them.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
21088+2916
MLB 487


Nearby doubles
7' : 21091+2922
COU1332

8' : 21083+2913
COU1331

20' : 21075+2924
TDT2769

27' : 21094+2850
DOB9002

29' : 21109+2925
BAG 29

33' : 21078+2945
MLB 715AB

34' : 21098+2915
DU 3

36' : 21065+2933
AG 413

42' : 21057+2912
GRV 416

43' : 21058+2931
LDS2938

47' : 21118+2943
HAU 27

48' : 21055+2901
MLB 536

49' : 21072+2833
COU 528

50' : 21061+2843
LDS2939

51' : 21070+3001
J 1319

55' : 21077+3009
KPP1031

56' : 21086+3012
STF2762AB

57' : 21092+2820
MLB 537

59' : 21046+2902
TDT2726

59' : 21129+2944
MLB 667

66' : 21070+2816
HJ 1611

68' : 21092+3023
CBL 90

68' : 21077+3022
UC 256

70' : 21054+2824
MLB 666

72' : 21035+2906
BU 445AB

72' : 21101+3027
KPP4225



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.

21088+2916 MLB 487

 
 
21h 08m 52.00s +29° 16' 30.0" P.A. 142.00 sep 4.3 mag 9.50,11.70
 
 
Coord 2000 21088+2916 Discov num MLB 487 Comp Coord arcsec 2000 21 08 52.00 +29 16 30.0
Date first 1926 Date last 2015 Obs 3
Pa first 155 Pa last 142 P.A. Now (θ) 142°
Sep first 3.6 Sep last 4.323 Sep. Now (ρ) 4.323"
Mag pri 9.50 Mag sec 11.70 delta mag (ΔM) 2.2 Spectral class
Pri motion ra -004 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1851494263110695808
 
 
WDS 21088+2916 MLB 487 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
MLB Milburn, W. (Espin, T.E.)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
21088+2916 MLB 487 2003 2 140 4.3 9.50 11.70 210852.00+291630.0
21088+2916 MLB 487 2015 3 142 4.3 9.50 11.70 210852.00+291630.0

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

 
 
WDS 21088+2916 MLB 487 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21088+2916 MLB 487 : MEASURES
 
 
No records found.

 
 
WDS 21088+2916 : VIRTUAL EYEPIECE
 
 

21088+2916 MLB 487A mag 9.5 21088+2916 MLB 487B sep 4.3 P.A. 142.00 mag 11.7 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 21088+2916 : ALADIN DSS IMAGE @ 21h 08m 52.00s +29° 16' 30.0"
 
 
 
 
WDS 21088+2916 MLB 487 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21088+2916 MLB 487 distance=0' 21091+2922 COU1332 distance=7' 21083+2913 COU1331 distance=8' 21075+2924 TDT2769 distance=20' 21094+2850 DOB9002 distance=27' 21109+2925 BAG 29 distance=29' 21078+2945 MLB 715AB distance=33' 21078+2945 MLB 715AC distance=33' 21098+2915 DU 3 distance=34' 21065+2933 AG 413 distance=36' 21057+2912 GRV 416 distance=42' 21058+2931 LDS2938 distance=43' 21118+2943 HAU 27 distance=47' 21055+2901 MLB 536 distance=48' 21072+2833 COU 528 distance=49' 21061+2843 LDS2939 distance=50' 21070+3001 J 1319 distance=51' 21077+3009 KPP1031 distance=55' 21086+3012 STF2762AB distance=56' 21086+3012 STF2762AC distance=56' 21086+3012 STF2762AD distance=56' 21092+2820 MLB 537 distance=57' 21046+2902 TDT2726 distance=59' 21129+2944 MLB 667 distance=59' 21070+2816 HJ 1611 distance=66' 21092+3023 CBL 90 distance=68' 21077+3022 UC 256 distance=68' 21054+2824 MLB 666 distance=70' 21035+2906 BU 445AB distance=72' 21035+2906 BU 445AC distance=72' 21035+2906 BU 445AD distance=72' 21035+2906 BU 445AE distance=72' 21035+2906 ARN 21AF distance=72' 21101+3027 KPP4225 distance=72' 21040+2841 HJ 1609CD distance=73' 21103+3027 TDT2801 distance=73' 21040+2841 HJ 1609AB distance=74' 21125+2821 HO 152 distance=74' 21144+2905 STF2779AB distance=74' 21144+2905 STF2779AC distance=74' 21031+2929 OSO 139AB distance=77' 21031+2929 OSO 139AC distance=77' 21031+2929 OSO 139AD distance=77' 21129+3014 BAS 7Aa,Ab distance=78' 21129+3014 BUP 227AB distance=78' 21129+3014 BUP 227AC distance=78' 21129+3014 BUP 227AD distance=78' 21129+3014 FYM 141AE distance=78' 21129+3014 FYM 141AF distance=78' 21129+3014 FYM 141AG distance=78' 21064+3031 TDT2751 distance=82' 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 21088+2916 MLB 487 142 4.3 0
Show 21091+2922 COU1332 20 0.2 7
Show 21083+2913 COU1331 37 0.3 8
Show 21075+2924 TDT2769 154 0.6 20
Show 21094+2850 DOB9002 104 18.6 27
Show 21109+2925 BAG 29 174 0.2 29
Show 21078+2945 MLB 715 AB 40 5.5 33
Show 21078+2945 MLB 715 AC 336 25.3 33
Show 21098+2915 DU 3 15 6.1 34
Show 21065+2933 AG 413 107 2.7 36
Show 21057+2912 GRV 416 137 38.2 42
Show 21058+2931 LDS2938 247 23.5 43
Show 21118+2943 HAU 27 297 50.0 47
Show 21055+2901 MLB 536 236 5.4 48
Show 21072+2833 COU 528 70 1.2 49
Show 21061+2843 LDS2939 320 5.9 50
Show 21070+3001 J 1319 206 1.6 51
Show 21077+3009 KPP1031 334 8.3 55
Show 21086+3012 STF2762 AB 303 3.3 56
Show 21086+3012 STF2762 AC 229 59.0 56
Show 21086+3012 STF2762 AD 66 73.1 56
Show 21092+2820 MLB 537 99 7.0 57
Show 21046+2902 TDT2726 311 0.6 59
Show 21129+2944 MLB 667 30 2.4 59
Show 21070+2816 HJ 1611 279 10.7 66
Show 21092+3023 CBL 90 113 54.5 68
Show 21077+3022 UC 256 67 48.1 68
Show 21054+2824 MLB 666 352 1.4 70
Show 21035+2906 BU 445 AB 109 4.7 72
Show 21035+2906 BU 445 AC 19 50.7 72
Show 21035+2906 BU 445 AD 317 87.3 72
Show 21035+2906 BU 445 AE 218 103.5 72
Show 21035+2906 ARN 21 AF 233 219.9 72
Show 21101+3027 KPP4225 236 2.2 72
Show 21040+2841 HJ 1609 CD 193 6.1 73
Show 21103+3027 TDT2801 237 0.9 73
Show 21040+2841 HJ 1609 AB 36 8.1 74
Show 21125+2821 HO 152 158 0.2 74
Show 21144+2905 STF2779 AB 164 15.1 74
Show 21144+2905 STF2779 AC 71 67.7 74
Show 21031+2929 OSO 139 AB 82 15.8 77
Show 21031+2929 OSO 139 AC 308 18.8 77
Show 21031+2929 OSO 139 AD 110 26.3 77
Show 21129+3014 BAS 7 Aa,Ab 246 0.0 78
Show 21129+3014 BUP 227 AB 205 65.2 78
Show 21129+3014 BUP 227 AC 300 91.5 78
Show 21129+3014 BUP 227 AD 63 105.3 78
Show 21129+3014 FYM 141 AE 76 42.8 78
Show 21129+3014 FYM 141 AF 267 63.6 78
Show 21129+3014 FYM 141 AG 97 70.7 78
Show 21064+3031 TDT2751 148 2.4 82

 
 
WDS 21088+2916 : COMPONENTS
 
 
  A
B pa=142.0°
sep=4.32"
 
 
21088+2916 A
 
 
Coord arcsec 2000 210852.00+291630.0 Mag 9.5 PmRA -4.00 PmDE -6.0
 
 
21088+2916 B
 
 
Coord arcsec 2000 210852.20+291626.6 Mag 11.7 Delta magnitude 2.2 Coordinate calculated yes