17220+5638 ES 2657 AB (HD 157787)

 
 
17h 22m 02.03s +56° 37' 42.4" P.A. 97.00 sep 28.4 mag 8.60,11.20 Sp A3V dist. 271.74 pc (886.42 l.y.)
 
 
Coord 2000 17220+5638 Discov num ES 2657 Comp AB Coord arcsec 2000 17 22 02.03 +56 37 42.4
Date first 1907 Date last 2016 Obs 12
Pa first 93 Pa last 96.8 P.A. Now (θ) 96.8°
Sep first 30.5 Sep last 28.396 Sep. Now (ρ) 28.396"
Mag pri 8.60 Mag sec 11.20 delta mag (ΔM) 2.6 Spectral class A3V (white)
Pri motion ra +004 Sec motion ra -019
Pri motion dec -013 Sec motion dec -034
Notes U (Proper motion indicates non-physical)
rPM=0.8
This double is not physical.
 
 
17220+5638 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 157787 30359 17 22 02 +56 37 42 ES 2657 AB 2016 12 97 28.4 8.60 11.20 2.60 <===
Show 30359 17 22 02 +56 37 42 ES 2657 AC 2016 9 90 39.2 8.60 11.50 2.90
Show 30359 17 22 02 +56 37 42 ABH 90 AD 2015 7 114 83.7 8.65 14.67 6.02
Show 17 22 05 +56 37 40 ES 2657 BC 2016 13 73 11.7 11.20 11.50 0.30
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 157787 Constellation Draco SAO 30359 HIP 84973
Tycho2 3896-01299-1 Gaia DR2 1420829955235900928 HD 157787 BD BD+56 1977
Distance 271.74 Distance ly 886.42
 
 
WDS 17220+5638 ES 2657 AB (HD 157787) : 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
Es_1901 Mb - Espin, T.E. 1901AN....155..321E
Es_1901 AN 155, 321, 1901 (ES 1 - 39)
Es_1902a Ma - Espin, T.E. 1902AN....158..241E
Es_1902a +Mb AN 158, 241, 1902 (ES 40 - 112)
Es_1902b Mb - Espin, T.E. 1902MNRAS..62..528E
Es_1902b MNRAS 62, 528, 1902
Es_1902c Mb j Espin, T.E. 1902MNRAS..62..402E
Es_1902c MNRAS 62, 402, 1902
Es_1903 Mb - Espin, T.E. 1903MNRAS..63..172E
Es_1903 MNRAS 63, 172, 1903 (ES 113 - 150)
Es_1904a - Espin, T.E. 1904MNRAS..64..238E
Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E
Es_1904b Mb - Espin, T.E. 1904MNRAS..64..675E
Es_1904b MNRAS 64, 675, 1904
Es_1905 Mb - Espin, T.E. 1905MNRAS..65..710E
Es_1905 MNRAS 65, 710, 1905 (ES 151 - 221)
Es_1906a Mb - Espin, T.E. 1906MNRAS..66..141E
Es_1906a MNRAS 66, 141, 1906 (ES 222 - 269)
Es_1906b Mb - Espin, T.E. 1906MNRAS..66..430E
Es_1906b MNRAS 66, 430, 1906 (ES 270 - 311)
Es_1906C Mb - Espin, T.E. 1906QB821.B972.....
Es_1906C cited in BDS (Burnham Double Star Cat.), 1906
Es_1906D Mb - Espin, T.E. 1906MmRAS..56....1L
Es_1906D cited by Lewis (MemRAS 56, 1, 1906)
Es_1907a Mb j Espin, T.E. 1907MNRAS..67..190E
Es_1907a MNRAS 67, 190, 1907 (ES 312 - 403)
Es_1907b Mb - Espin, T.E. 1907MNRAS..67..495E
Es_1907b MNRAS 67, 495, 1907 (ES 404 - 442)
Es_1908a Mb j Espin, T.E. 1908MNRAS..68..202E
Es_1908a MNRAS 68, 202, 1908 (ES 443 - 551)
Es_1908b Mb - Espin, T.E. 1908MNRAS..68..523E
Es_1908b MNRAS 68, 523, 1908 (ES 552 - 609)
Es_1908c - Espin, T.E. 1908JRASC...2..248E
Es_1908c JRASC 2, 248, 1908 (data also in MNRAS 69, 218, 1909) 1909MNRAS..69..218E
Es_1909a Mb j Espin, T.E. 1909MNRAS..69..218E
Es_1909a MNRAS 69, 218, 1909 (ES 610 - 704)
Es_1909b Mb j Espin, T.E. 1909MNRAS..69..604E
Es_1909b MNRAS 69, 604, 1909 (ES 705 - 743)
Es_1910a Mb - Espin, T.E. 1910MNRAS..70..237E
Es_1910a MNRAS 70, 237, 1910 (ES 744 - 864)
Es_1910b Mb - Espin, T.E. 1910MNRAS..70..541E
Es_1910b MNRAS 70, 541, 1910 (ES 865 - 927)
Es_1911 Mb - Espin, T.E. 1911MNRAS..71..217E
Es_1911 MNRAS 71, 217, 1911 (ES 928 - 1051)
Es_1912 Mb - Espin, T.E. 1912MNRAS..72..191E
Es_1912 MNRAS 72, 191, 1912 (ES 1052 - 1125)
Es_1913 Mb j Espin, T.E. 1913MNRAS..73..162E
Es_1913 MNRAS 73, 162, 1913 (ES 1126 - 1191)
Es_1914 Mb j Espin, T.E. 1914MNRAS..74..244E
Es_1914 MNRAS 74, 244, 1914 (ES 1192 - 1293)
Es_1915a Mb - Espin, T.E. 1915MNRAS..75..203E
Es_1915a MNRAS 75, 203, 1915 (ES 1294 - 1356)
Es_1915b Mb - Espin, T.E. 1915MNRAS..75..555E
Es_1915b MNRAS 75, 555, 1915 (ES 1357 - 1405)
Es_1915c Mb - Espin, T.E. 1915MNRAS..76..210E
Es_1915c MNRAS 76, 210, 1915 (ES 1406 - 1479)
Es_1917 Mb - Espin, T.E. 1917MNRAS..77..236E
Es_1917 MNRAS 77, 236, 1917 (ES 1480 - 1600)
Es_1918 Mb j Espin, T.E. 1918MNRAS..78..189E
Es_1918 MNRAS 78, 189, 1918 (ES 1601 - 1705, MLB 1 - 35)
Es_1919 Mb - Espin, T.E. 1919MNRAS..79..211E
Es_1919 MNRAS 79, 211, 1919 (ES 1706 - 1768, MLB 36 - 106)
Es_1920 Mb - Espin, T.E. 1920MNRAS..80..329E
Es_1920 MNRAS 80, 329, 1920 (ES 1769 - 1805, MLB 107 - 149)
Es_1921 Mb j Espin, T.E. 1921MNRAS..81..232E
Es_1921 MNRAS 81, 232, 1921 (ES 1806 - 1864, MLB 150 - 182)
Es_1922 Mb - Espin, T.E. 1922MNRAS..82..187E
Es_1922 MNRAS 82, 187, 1922 (ES 1865 - 1933, MLB 183 - 241)
Es_1923 Mb - Espin, T.E. 1923MNRAS..83..154E
Es_1923 MNRAS 83, 154, 1923 (ES 1934 - 2006, MLB 242 - 275)
Es_1924 Mb - Espin, T.E. 1924MNRAS..84..162E
Es_1924 MNRAS 84, 162, 1924 (ES 2007 - 2078, MLB 276 - 322)
Es_1925a Mb - Espin, T.E. 1925MNRAS..85..276E
Es_1925a MNRAS 85, 276, 1925 (ES 2079 - 2137, MLB 323 - 376)
Es_1925b Mb - Espin, T.E. 1925MNRAS..86...79E
Es_1925b MNRAS 86, 79, 1925
Es_1926 Mb - Espin, T.E. 1926MNRAS..86..131E
Es_1926 MNRAS 86, 131, 1926 (ES 2138 - 2209, MLB 377 - 440)
Es_1927 Mb - Espin, T.E. 1927MNRAS..87..215E
Es_1927 MNRAS 87, 215, 1927 (ES 2210 - 2273, MLB 441 - 510)
Es_1928 Mb - Espin, T.E. 1928MNRAS..88..185E
Es_1928 MNRAS 88, 185, 1928 (ES 2274 - 2328, MLB 511 - 551)
Es_1929 Mb - Espin, T.E. 1929MNRAS..89..268E
Es_1929 MNRAS 89, 268, 1929 (ES 2329 - 2362, MLB 552 - 591)
Es_1930 Mb - Espin, T.E. 1930MNRAS..90..317E
Es_1930 MNRAS 90, 317, 1930 (ES 2363 - 2400, MLB 592 - 630)
Es_1931 Mb - Espin, T.E. 1931MNRAS..91..294E
Es_1931 MNRAS 91, 294, 1931 (ES 2401 - 2444, MLB 631 - 673)
Es_1932a Mb - Espin, T.E. 1932MNRAS..92..214E
Es_1932a MNRAS 92, 214, 1932 (ES 2445 - 2543, MLB 674 - 732)
Es_1932B Mb - Espin, T.E. 1932QB821.A43......
Es_1932B cited in ADS (Aitken Double Star Cat.), 1932
Es_1933 Mb - Espin, T.E. 1933MNRAS..93..192E
Es_1933 MNRAS 93, 192, 1933 (ES 2544 - 2575, MLB 733 - 806)
Es_1937A Mb - Espin, T.E. 1937AnLei..18....1S
Es_1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17220+5638 ES 2657 AB 2000 6 96 28.2 8.60 11.20 A3V D 172202.03+563742.4
17220+5638 ES 2657 AB 2003 7 95 28.1 8.60 11.20 A3V UD 172202.03+563742.4
17220+5638 ES 2657 AB 2016 8 98 28.4 8.60 11.20 A3V U 172202.03+563742.4

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

 
 
WDS 17220+5638 ES 2657 AB (HD 157787) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17220+5638 ES 2657 AB (HD 157787) : MEASURES
 
 
No records found.

 
 
WDS 17220+5638 (HD 157787) : VIRTUAL EYEPIECE
 
 

17220+5638 ES 2657A mag 8.6 Sp A3V 17220+5638 ES 2657B sep 28.2 P.A. 95.90 mag 11.2 17220+5638 ES 2657C sep 21.6 P.A. 90.20 mag 11.5 17220+5638 ABH  90D sep 54.1 P.A. 129.00 mag 14.67 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 17220+5638 (HD 157787) : ALADIN DSS IMAGE @ 17h 22m 02.03s +56° 37' 42.4"
 
 
 
 
WDS 17220+5638 ES 2657 AB (HD 157787) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


17220+5638  ES 2657AB distance=0' 17220+5638  ES 2657BC distance=1' 17211+5637  LDS1444 distance=10' 17235+5623  LDS4741 distance=20' 17258+5643  RAO 370 distance=32' 17174+5638  SLE  82 distance=39' 17173+5636  STI2349 distance=39' 17185+5608  ES 1740 distance=42' 17267+5621  A  1151 distance=42' 17170+5612  SLE  81 distance=49' 17240+5547  GRV1136 distance=57' 17279+5610  A  1152 distance=57' 17270+5718  ES 2658 distance=57' 17285+5657  ES 1741 distance=58' 17210+5537  GRV1134 distance=61' 17215+5532  ES 2656 distance=67' 17141+5627  TDT 276 distance=67' 17141+5608  STT 327 distance=73' 17159+5732  CVR 858 distance=74' 17129+5712  TOI1453 distance=83' 17319+5655  ES 2659 distance=83' 17328+5639  SLN  37 distance=90' 17111+5640  MET  80 distance=90' 17301+5743  ES 1742 distance=93' 17323+5718  LDS1449 distance=93' 17335+5734  MLR 571 distance=110' 17337+5545  GRV1152 distance=112' 17195+5832  KR   46 distance=116' 17322+5511  STFA 35 distance=123' 17373+5640  STI2354 distance=126' 17103+5801  CVR1696 distance=127' 17071+5556  CRB 199 distance=131' 17165+5433  SCA9003AB distance=134' 17165+5433  SCA9003AC distance=134' 17165+5433  DAM  27AD distance=134' 17084+5758  CVR1692 distance=137' 17128+5837  DAM 989 distance=141' 17126+5838  DAM 987 distance=142' 17277+5424  UC 3345 distance=143' 17161+5854  ES 1794 distance=144' 17386+5546  STF2199 distance=149' 17118+5432  DEA  87 distance=153' 17380+5521  GRV1137 distance=158' 17376+5508  KPP1235 distance=159' 17102+5430  STF2138AB distance=163' 17102+5430  SHY  89AC distance=163' 17400+5747  MLR 572 distance=163' 17220+5351  BU 1249AB distance=167' 17220+5351  BU 1249AB,C distance=167' 17131+5408  STF2146AC distance=168' 17131+5408  STF2146CD distance=169' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 17220+5638 ES 2657 AB 97 28.4
Show 17220+5638 ABH 90 AD 114 83.7
Show 17220+5638 ES 2657 AC 90 39.2
Show 17220+5638 ES 2657 BC 73 11.7 1
Show 17211+5637 LDS1444 118 9.4 10
Show 17235+5623 LDS4741 209 86.8 20
Show 17258+5643 RAO 370 339 1.0 32
Show 17174+5638 SLE 82 331 42.4 39
Show 17173+5636 STI2349 60 10.0 39
Show 17185+5608 ES 1740 315 1.6 42
Show 17267+5621 A 1151 238 1.1 42
Show 17170+5612 SLE 81 16 17.5 49
Show 17240+5547 GRV1136 148 8.5 57
Show 17279+5610 A 1152 204 0.2 57
Show 17270+5718 ES 2658 15 9.8 57
Show 17285+5657 ES 1741 179 2.5 58
Show 17210+5537 GRV1134 319 20.8 61
Show 17215+5532 ES 2656 64 11.1 67
Show 17141+5627 TDT 276 71 0.5 67
Show 17141+5608 STT 327 334 0.4 73
Show 17159+5732 CVR 858 191 29.8 74
Show 17129+5712 TOI1453 305 1.9 83
Show 17319+5655 ES 2659 215 11.8 83
Show 17328+5639 SLN 37 241 2.4 90
Show 17111+5640 MET 80 0.1 90
Show 17301+5743 ES 1742 28 1.6 93
Show 17323+5718 LDS1449 133 18.2 93
Show 17335+5734 MLR 571 330 0.1 110
Show 17337+5545 GRV1152 225 23.8 112
Show 17195+5832 KR 46 64 1.7 116
Show 17322+5511 STFA 35 311 62.3 123
Show 17373+5640 STI2354 85 4.4 126
Show 17103+5801 CVR1696 322 4.5 127
Show 17071+5556 CRB 199 111 7.5 131
Show 17165+5433 SCA9003 AB 97 44.1 134
Show 17165+5433 SCA9003 AC 332 80.7 134
Show 17165+5433 DAM 27 AD 3 40.9 134
Show 17084+5758 CVR1692 279 3.9 137
Show 17128+5837 DAM 989 13 5.2 141
Show 17126+5838 DAM 987 42 2.6 142
Show 17277+5424 UC 3345 199 26.1 143
Show 17161+5854 ES 1794 138 4.0 144
Show 17386+5546 STF2199 53 2.0 149
Show 17118+5432 DEA 87 129 90.2 153
Show 17380+5521 GRV1137 59 41.7 158
Show 17376+5508 KPP1235 123 9.5 159
Show 17102+5430 STF2138 AB 133 22.1 163
Show 17102+5430 SHY 89 AC 10 999.9 163
Show 17400+5747 MLR 572 40 0.7 163
Show 17220+5351 BU 1249 AB 82 0.6 167
Show 17220+5351 BU 1249 AB,C 78 62.1 167

 
 
WDS 17220+5638 : COMPONENTS
 
 
  A B C
B pa=95.9°
sep=28.20"
 
C pa=90.2°
sep=21.55"
pa=293.5°
sep=7.09"
 
D pa=129.0°
sep=54.13"
pa=155.8°
sep=34.16"
pa=148.9°
sep=39.70"
 
 
17220+5638 A
 
 
Name HD 157787 Coord arcsec 2000 172202.03+563742.4 Mag 8.6 Spectral class A3V (white)
PmRA 4.00 PmDE -13.0 SAO 30359 HIP 84973
Tycho2 3896-01299-1 HD 157787 BD BD+56 1977
Tycho2
Tycho2 3896-01299-1 Pflag RAmdeg 260.50845145 DEmdeg 56.62841220
PmRA 1.0 PmDE -14.2 E RAmdeg 8 E DEmdeg 6
E pmRA 1.2 E pmDE 1.4 EpRAm 1990.43 EpDEm 1991.19
Num 13 Q RAmdeg 0.9 Q DEmdeg 0.7 Q pmRA 0.9
Q pmDE 0.6 BTmag 8.779 E BTmag 0.018 VTmag 8.650
E VTmag 0.014 Prox 999 TYC T HIP 84973
CCDM RAdeg 260.50844556 DEdeg 56.62844500 EpRA 1990 1.58
EpDE 1990 1.71 E RAdeg 7.5 E DEdeg 6.3 Posflg
Corr 0.0
SAO
SAO 30359 DelFlag RA1950 PmRA1950 0.0019
DE1950 PmDE1950 -0.016 Vmag 8.2 SpType A2
Double code Source 38 CatNum 9241 DM BD+56 1977
DMcomp BDsup HD 157787 M HD 0
GC RA1950rad 4.5428257 DE1950rad 0.98916438 PmRA2000 0.0027
PmDE2000 -0.015
Hipparcos
Catalog H HIP 84973 Proxy RAhms 17 22 02.03
DEdms +56 37 42.4 Vmag 8.62 VarFlag R Vmag H
RAdeg 260.508 DEdeg 56.6285 AstroRef Plx 3.09
CCDM 17221+5638 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 157787 BD BD+56 1977
CD CP Dm number +56 1977 VIred 0.14
SpType A2 R SpType Coord arcsec 2000 172202.03+563742.4
Hipparcos 2
HIP 84973 Sn 5 So 0 Nc 1
RArad 4.5467302212 DErad 0.9883529196 Plx 3.68 PmRA 2.36
PmDE -11.65 E RArad 0.51 E DErad 0.62 E Plx 0.61
E pmRA 0.59 E pmDE 0.82 Hpmag 8.675 E Hpmag 0.0016
SHp 0.016 VA 0 BV 0.133 E BV 0.017
VI 0.15
 
 
17220+5638 B
 
 
Coord arcsec 2000 172205.43+563739.5 Coord calc 172205.43+563739.5 Mag 11.2 PmRA -19.00
PmDE -34.0 Calc delta mag 2.6
 
 
17220+5638 C
 
 
Coord arcsec 2000 172204.64+563742.3 Mag 11.5 PmRA -11.00 PmDE -34.0
Calc delta mag 2.9 Calc coord yes
 
 
17220+5638 D
 
 
Coord arcsec 2000 172207.13+563708.3 Mag 14.67 PmRA -3.00 PmDE -13.0
Calc delta mag 6.07 Calc coord yes