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Doubles in session


Current system
21462+2817
MLB 540 AB


Nearby doubles
11' : 21454+2819
J 3145

22' : 21444+2824
KPP3373

26' : 21474+2834
A 300AB

27' : 21480+2819
MLB 541

37' : 21441+2845
STF2822AB

38' : 21461+2855
BRT 58

39' : 21439+2751
HO 166

42' : 21474+2855
AG 420

44' : 21477+2740
CVR 922

52' : 21469+2907
CVR 919

52' : 21423+2800
GRV 494

57' : 21453+2722
HO 606

58' : 21452+2914
UC 4550

61' : 21468+2718
HO 608

62' : 21503+2754
MLB 576

63' : 21435+2725
BKO 631

63' : 21505+2756
AZC 116

65' : 21420+2741
RAO 465AB

66' : 21435+2721
A 299AB

70' : 21418+2901
MLB 492

71' : 21457+2708
BKO 633

71' : 21456+2709
MLB1050

75' : 21470+2930
GRV 503

77' : 21473+2932
STJ 58

79' : 21416+2911
GRV 493

82' : 21517+2852
SHN 256



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.

21462+2817 MLB 540 AB

 
 
21h 46m 00.62s +28° 17' 42.7" P.A. 256.00 sep 4.1 mag 12.62,14.10 Sp F9V
 
 
Coord 2000 21462+2817 Discov num MLB 540 Comp AB Coord arcsec 2000 21 46 00.62 +28 17 42.7
Date first 1927 Date last 2015 Obs 7
Pa first 252 Pa last 255.6 P.A. Now (θ) 255.6°
Sep first 3.1 Sep last 4.076 Sep. Now (ρ) 4.076"
Mag pri 12.62 Mag sec 14.10 delta mag (ΔM) 1.48 Spectral class F9V (yellow-white)
Pri motion ra +007 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes U (Proper motion indicates non-physical)
This double is not physical.
 
 
21462+2817 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 46 01 +28 17 43 MLB 540 AB 2015 7 256 4.1 12.62 14.10 1.48 <===
Show 21 46 01 +28 17 43 MLB 540 AC 2015 13 322 8.7 12.62 12.70 0.08
Show 21 46 01 +28 17 43 ABH 152 AD 2015 6 68 41.8 12.62 14.70 2.08
Show 21 46 01 +28 17 43 ABH 152 AE 2015 6 96 80.1 12.62 15.00 2.38
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Gaia DR2 1800994720538084224
 
 
WDS 21462+2817 MLB 540 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
AbH1961 - Abt, H.A. 1961A&AS....6...37A
AbH1961 A&AS 6, 37, 1961
AbH1962 Po j Abt, H.A. Jeffers, H., Gibson, & Sandage, A. 1962ApJ...135..429A
AbH1962 ApJ 135, 429, 1962
AbH1964 - AbT, H.A. et al. 1964ApJ...139.1139A
AbH1964 ApJ 139, 1139, 1964
AbH1965 - Abt, H.A. 1965A&AS...11..429A
AbH1965 A&AS 11, 429, 1965
AbH1965b - Abt, H.A. et al. 1965ApJ...142.1604A
AbH1965b ApJ 142, 1604, 1965
AbH1972 - Abt. H.A. & Biggs, E.S. 1972bsrv.book.....A
AbH1972 Bibliography of Stellar Radial Velocities
AbH1972b not - Abt. H.A., Levy, S.G., & Gandet, T.L. 1972AJ.....77..138A
AbH1972b AJ 77, 138, 1972
AbH1973 - Abt, H.A. & Levy, S.G. 1973AJ.....78.1093A
AbH1973 AJ 78, 1093, 1973
AbH1976 orb - Abt, H.A. & Levy, S.G. 1976A&AS...30..273A
AbH1976 A&AS 30, 273, 1976
AbH1978 - Abt, H.A. & Levy, S.G. 1978A&AS...36..241A
AbH1978 A&AS 36, 241, 1978
AbH1985 - Abt, H.A. & Levy, S.G. 1985ApJS...59..229A
AbH1985 ApJS 59, 229, 1985
AbH1986 - Abt, H.A. 1986ApJ...304..688A
AbH1986 ApJ 304, 688, 1986
AbH2000 C u Abt, H.A. & Corbally, C.J. 2000ApJ...541..841A
AbH2000 ApJ 541, 841, 2000
AbH2000 (Multi-epoch astrometry, photometry, and spectroscopy to determine
AbH2000 optical/physical nature of members of possible Trapezium systems)
AbH2006 orb - Abt, H.A., & Willmarth, D. 2006ApJS..162..207A
AbH2006 ApJS 162, 207, 2006
Mlb1918 Mb - Milburn, W. (Espin, T.E.) 1918MNRAS..78..189E
Mlb1918 MNRAS 78, 189, 1918 (MLB 1 - 35; measures by Espin)
Mlb1919 Mb - Milburn, W. (Espin, T.E.) 1919MNRAS..79..211E
Mlb1919 MNRAS 79, 211, 1919 (MLB 36 - 106; measures by Espin)
Mlb1920 Mb - Milburn, W. 1920MNRAS..80..329M
Mlb1920 MNRAS 80, 329, 1920 (MLB 107 - 149)
Mlb1921 Mb - Milburn, W. 1921MNRAS..81..232E
Mlb1921 MNRAS 81, 232, 1921 (MLB 150 - 182)
Mlb1922 Mb j Milburn, W. (Espin, T.E.) 1922MNRAS..82..187E
Mlb1922 MNRAS 82, 187, 1922 (MLB 183 - 241; measures by Espin)
Mlb1923 Mb - Milburn, W. 1923MNRAS..83..154E
Mlb1923 MNRAS 83, 154, 1923 (MLB 242 - 275)
Mlb1924 Mb - Milburn, W. 1924MNRAS..84..162E
Mlb1924 MNRAS 84, 162, 1924 (MLB 276 - 322)
Mlb1925 Mb j Milburn, W. 1925MNRAS..85..276E
Mlb1925 MNRAS 85, 276, 1925 (MLB 323 - 376)
Mlb1926 Mb - Milburn, W. 1926MNRAS..86..131E
Mlb1926 MNRAS 86, 131, 1926 (MLB 377 - 440)
Mlb1927 Mb j Milburn, W. 1927MNRAS..87..215E
Mlb1927 +Po MNRAS 87, 215, 1927 (MLB 441 - 510)
Mlb1928 Mb - Milburn, W. 1928MNRAS..88..185E
Mlb1928 MNRAS 88, 185, 1928 (MLB 511 - 551)
Mlb1929 Mb - Milburn, W. 1929MNRAS..89..268E
Mlb1929 MNRAS 89, 268, 1929 (MLB 552 - 591)
Mlb1930 Mb - Milburn, W. 1930MNRAS..90..317E
Mlb1930 MNRAS 90, 317, 1930 (MLB 592 - 630)
Mlb1931 Mb j Milburn, W. 1931MNRAS..91..294E
Mlb1931 MNRAS 91, 294, 1931 (MLB 631 - 673)
Mlb1932 Ma - Milburn, W. 1932MNRAS..92..214E
Mlb1932 +Mb MNRAS 92, 214, 1932 (MLB 674 - 732)
Mlb1932B Ma - Milburn, W. 1932QB821.A43......
Mlb1932B cited by ADS (Aitken Double Star Cat., 1932)
Mlb1933 Ma j Milburn, W. 1933MNRAS..93..192E
Mlb1933 +Mb MNRAS 93, 192, 1933 (MLB 733 - 806)
Mlb1934 Mb j Milburn, W. 1934MNRAS..94..255M
Mlb1934 MNRAS 94, 255, 1934 (MLB 807 - 912)
Mlb1935 Mb j Milburn, W. 1935MNRAS..95..298M
Mlb1935 MNRAS 95, 298, 1935 (MLB 913 - 969)
Mlb1936 Mb - Milburn, W. 1936MNRAS..96..266M
Mlb1936 MNRAS 96, 266, 1936 (MLB 970 - 997)
Mlb1937 Ma - Milburn, W. 1937MNRAS..97..222M
Mlb1937 +Mb MNRAS 97, 222, 1937 (MLB 998 - 1025)
Mlb1938 Ma - Milburn, W. 1938MNRAS..98..223M
Mlb1938 +Mb MNRAS 98, 223, 1938 (MLB 1026 - 1032)
Mlb1939 Mb - Milburn, W. 1939MNRAS..99..278M
Mlb1939 MNRAS 99, 278, 1939 (MLB 1033 - 1051)
Mlb9999 Mb - Milburn, W. ...................
Mlb9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21462+2817 MLB 540 AB 1997 3 254 4.1 12.62 14.10 F9V D 214600.62+281742.7
21462+2817 MLB 540 AB 2002 5 255 4.1 12.62 14.10 F9V UD 214600.62+281742.7
21462+2817 MLB 540 AB 2011 6 256 4.0 12.62 14.10 F9V UD 214600.62+281742.7
21462+2817 MLB 540 AB 2015 7 256 4.1 12.62 14.10 F9V U 214600.62+281742.7

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

 
 
WDS 21462+2817 MLB 540 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21462+2817 MLB 540 AB : MEASURES
 
 
No records found.

 
 
WDS 21462+2817 : VIRTUAL EYEPIECE
 
 

21462+2817 MLB 540A mag 12.62 Sp F9V 21462+2817 MLB 540B sep 3.6 P.A. 253.70 mag 14.1 21462+2817 MLB 540C sep 8.3 P.A. 325.70 mag 12.7 21462+2817 ABH 152D sep 37.6 P.A. 65.00 mag 14.7 21462+2817 ABH 152E sep 70.6 P.A. 96.20 mag 15 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 21462+2817 : ALADIN DSS IMAGE @ 21h 46m 00.62s +28° 17' 42.7"
 
 
 
 
WDS 21462+2817 MLB 540 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21462+2817 MLB 540AB distance=0' 21454+2819 J 3145 distance=11' 21444+2824 KPP3373 distance=22' 21474+2834 A 300AB distance=26' 21474+2834 A 300AC distance=26' 21474+2834 A 300AD distance=26' 21480+2819 MLB 541 distance=27' 21441+2845 STF2822AB distance=37' 21441+2845 STF2822AC distance=37' 21441+2845 STF2822AD distance=37' 21441+2845 FYM 25AF distance=37' 21441+2845 FYM 25AG distance=37' 21441+2845 STF2822BD distance=37' 21441+2845 ES 521DE distance=37' 21441+2845 FYM 25DG distance=37' 21461+2855 BRT 58 distance=38' 21439+2751 HO 166 distance=39' 21474+2855 AG 420 distance=42' 21477+2740 CVR 922 distance=44' 21469+2907 CVR 919 distance=52' 21423+2800 GRV 494 distance=52' 21453+2722 HO 606 distance=57' 21452+2914 UC 4550 distance=58' 21468+2718 HO 608 distance=61' 21435+2721 OSO 155DG distance=61' 21435+2721 A 299DE distance=61' 21435+2721 A 299DF distance=61' 21503+2754 MLB 576 distance=62' 21435+2725 BKO 631 distance=63' 21505+2756 AZC 116 distance=63' 21420+2741 RAO 465Aa,Ab distance=65' 21420+2741 RAO 465AB distance=65' 21435+2721 A 299AB distance=66' 21435+2721 A 299AD distance=66' 21435+2721 A 299BC distance=66' 21418+2901 MLB 492 distance=70' 21457+2708 BKO 633 distance=71' 21456+2709 MLB1050 distance=71' 21470+2930 GRV 503 distance=75' 21473+2932 STJ 58 distance=77' 21416+2911 GRV 493 distance=79' 21517+2852 SHN 256 distance=82' 21420+2924 MLB 539 distance=84' 21524+2823 NSN 67 distance=84' 21517+2856 HLD 49 distance=85' 21510+2911 A 889AB distance=85' 21510+2911 A 889Aa,Ab distance=85' 21521+2748 HO 171 distance=87' 21442+2942 MLB 493 distance=88' 21458+2945 DAM 236 distance=88' 21399+2737 HDS3083 distance=91' 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 21462+2817 MLB 540 AB 256 4.1
Show 21462+2817 MLB 540 AC 322 8.7
Show 21462+2817 ABH 152 AD 68 41.8
Show 21462+2817 ABH 152 AE 96 80.1
Show 21454+2819 J 3145 112 5.4 11
Show 21444+2824 KPP3373 242 2.1 22
Show 21474+2834 A 300 AB 252 2.3 26
Show 21474+2834 A 300 AC 29 7.5 26
Show 21474+2834 A 300 AD 170 8.4 26
Show 21480+2819 MLB 541 340 9.9 27
Show 21441+2845 STF2822 AB 325 1.6 37
Show 21441+2845 STF2822 AC 292 76.6 37
Show 21441+2845 STF2822 AD 43 197.0 37
Show 21441+2845 FYM 25 AF 72 111.5 37
Show 21441+2845 FYM 25 AG 73 168.1 37
Show 21441+2845 STF2822 BD 45 196.7 37
Show 21441+2845 ES 521 DE 286 17.5 37
Show 21441+2845 FYM 25 DG 164 89.6 37
Show 21461+2855 BRT 58 165 4.4 38
Show 21439+2751 HO 166 233 0.2 39
Show 21474+2855 AG 420 145 7.5 42
Show 21477+2740 CVR 922 225 9.9 44
Show 21469+2907 CVR 919 201 23.5 52
Show 21423+2800 GRV 494 323 62.9 52
Show 21453+2722 HO 606 93 18.4 57
Show 21452+2914 UC 4550 15 42.5 58
Show 21468+2718 HO 608 130 0.6 61
Show 21435+2721 OSO 155 DG 304 6.1 61
Show 21435+2721 A 299 DE 95 999.9 61
Show 21435+2721 A 299 DF 26 145.8 61
Show 21503+2754 MLB 576 267 13.1 62
Show 21435+2725 BKO 631 26 5.9 63
Show 21505+2756 AZC 116 353 20.9 63
Show 21420+2741 RAO 465 Aa,Ab 128 0.3 65
Show 21420+2741 RAO 465 AB 303 2.6 65
Show 21435+2721 A 299 AB 67 1.1 66
Show 21435+2721 A 299 AD 64 374.5 66
Show 21435+2721 A 299 BC 325 0.1 66
Show 21418+2901 MLB 492 114 7.0 70
Show 21457+2708 BKO 633 18 7.4 71
Show 21456+2709 MLB1050 67 6.9 71
Show 21470+2930 GRV 503 331 20.4 75
Show 21473+2932 STJ 58 193 1.8 77
Show 21416+2911 GRV 493 184 44.7 79
Show 21517+2852 SHN 256 -1 0.6 82
Show 21420+2924 MLB 539 171 4.8 84
Show 21524+2823 NSN 67 285 5.1 84
Show 21517+2856 HLD 49 341 2.1 85
Show 21510+2911 A 889 AB 15 0.2 85
Show 21510+2911 A 889 Aa,Ab 323 0.0 85
Show 21521+2748 HO 171 342 0.8 87

 
 
WDS 21462+2817 : COMPONENTS
 
 
  A B C D
B pa=253.7°
sep=3.62"
 
C pa=325.7°
sep=8.32"
pa=351.2°
sep=7.98"
 
D pa=65.0°
sep=37.57"
pa=65.8°
sep=41.16"
pa=76.9°
sep=39.78"
 
E pa=96.2°
sep=70.61"
pa=95.2°
sep=73.97"
pa=101.0°
sep=76.29"
pa=123.1°
sep=43.12"
 
 
21462+2817 A
 
 
Coord arcsec 2000 214600.62+281742.7 Mag 12.62 Spectral class F9V (yellow-white) PmRA 7.00
PmDE -5.0
 
 
21462+2817 B
 
 
Coord arcsec 2000 214600.36+281741.7 Mag 14.1 Calc delta mag 1.48 Calc coord yes
 
 
21462+2817 C
 
 
Coord arcsec 2000 214600.26+281749.6 Mag 12.7 PmRA -6.00 PmDE -7.0
Calc delta mag 0.08 Calc coord yes
 
 
21462+2817 D
 
 
Coord arcsec 2000 214603.20+281758.6 Mag 14.7 PmRA 0.00 PmDE 2.0
Calc delta mag 2.08 Calc coord yes
 
 
21462+2817 E
 
 
Coord arcsec 2000 214605.93+281735.0 Mag 15 PmRA 1.00 PmDE 1.0
Calc delta mag 2.38 Calc coord yes