19420+5201 ES 794 AB (HD 234978)

 
 
19h 42m 02.87s +52° 01' 04.4" P.A. 255.00 sep 45.6 mag 9.35,10.05 Sp K7
 
 
Coord 2000 19420+5201 Discov num ES  794 Comp AB Coord arcsec 2000 19 42 02.87 +52 01 04.4
Date first 1899 Date last 2018 Obs 17
Pa first 261 Pa last 255.3 P.A. Now (θ) 255.3°
Sep first 42.5 Sep last 45.595 Sep. Now (ρ) 45.595"
Mag pri 9.35 Mag sec 10.05 delta mag (ΔM) 0.7 Spectral class K7 (yellow-orange)
Pri motion ra +007 Sec motion ra -007
Pri motion dec +012 Sec motion dec -024
Notes N (See Notes)
rPM=1.545
This double is not physical.
 
 
19420+5201 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 234978 31903 19 42 03 +52 01 04 ES 794 AB 2018 17 255 45.6 9.35 10.05 0.70 <===
Show 31901 19 41 58 +52 00 54 ES 794 BC 2015 8 102 7.7 10.05 14.20 4.15
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 234978 Constellation Cygnus SAO 31903 Tycho2 3569-01212-1
Gaia DR2 2135773574287672704 HD 234978 ADS 12821 DM BD+51 2662
 
 
WDS 19420+5201 ES 794 AB (HD 234978) : NOTES
 
 
discov_num notes refcode
ES 794 B is BD+51@2662.
 
 
REFERENCES
 
 
refcode metd author reference
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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
19420+5201 ES 794 AB 2004 11 256 44.4 9.35 10.05 K7 N D 194202.87+520104.4
19420+5201 ES 794 AB 2015 13 256 45.5 9.35 10.05 K7 N 194202.87+520104.4
19420+5201 ES 794 AB 2018 14 256 45.6 9.35 10.05 K7 N 194202.87+520104.4

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

 
 
WDS 19420+5201 ES 794 AB (HD 234978) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19420+5201 ES 794 AB (HD 234978) : MEASURES
 
 
No records found.

 
 
WDS 19420+5201 (HD 234978) : VIRTUAL EYEPIECE
 
 

19420+5201 ES 794A mag 9.35 Sp K7 19420+5201 ES 794B sep 45.1 P.A. 256.30 mag 10.05 Sp K5 19420+5201 ES 794C sep 41.1 P.A. 252.60 mag 14.2 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 19420+5201 (HD 234978) : ALADIN DSS IMAGE @ 19h 42m 02.87s +52° 01' 04.4"
 
 
 
 
WDS 19420+5201 ES 794 AB (HD 234978) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19420+5201 ES 794AB distance=0' 19420+5201 ES 794BC distance=1' 19389+5150 BU 656 distance=32' 19384+5211 AG 388 distance=36' 19450+5136 LEP 92 distance=38' 19461+5140 ARY 66 distance=43' 19441+5122 DEA 236 distance=44' 19438+5121 TDT1679 distance=44' 19433+5116 HEI 906 distance=47' 19451+5124 KOI7539 distance=47' 19450+5122 KOI7536 distance=48' 19421+5112 KOI4895 distance=49' 19422+5112 KOI3122AB distance=49' 19422+5112 KOI3122AC distance=49' 19456+5121 KOI 439AB distance=52' 19455+5119 KOI 790 distance=53' 19451+5116 KOI5971 distance=54' 19413+5108 KOI7527 distance=54' 19478+5154 AG 239 distance=55' 19444+5107 ARN 108 distance=58' 19419+5101 KOI 279 distance=61' 19463+5114 DEA 117 distance=62' 19400+5055 DEA 208 distance=69' 19354+5132 KPP4158 distance=69' 19441+5054 ARY 22 distance=70' 19465+5259 TDT1728 distance=71' 19498+5155 AZC 179 distance=72' 19466+5101 JKA 79 distance=74' 19487+5118 HEI 907 distance=76' 19389+5049 DEA 392 distance=77' 19366+5301 UC 3985 distance=78' 19468+5057 TDT1735 distance=78' 19424+5043 KOI 980 distance=78' 19421+5319 ES 657AB distance=78' 19421+5319 GUI 27AC distance=78' 19465+5308 ES 658AB distance=79' 19465+5308 ES 658AC distance=79' 19465+5308 ES 658CD distance=79' 19450+5047 KOI5959 distance=80' 19507+5203 KPP1609 distance=80' 19455+5046 WFC 225 distance=82' 19468+5051 ES 795AB distance=82' 19468+5051 ES 795AC distance=82' 19468+5051 ES 795AD distance=82' 19508+5222 MLR 640 distance=83' 19510+5143 TDT1800 distance=85' 19338+5241 TDT1542 distance=86' 19326+5200 UC 3971 distance=88' 19409+5034 KOI 623AB distance=89' 19418+5033 KOI4512 distance=89' 19327+5142 UC 3972 distance=89' 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 19420+5201 ES 794 AB 255 45.6
Show 19420+5201 ES 794 BC 102 7.7 1
Show 19389+5150 BU 656 274 1.0 32
Show 19384+5211 AG 388 185 8.4 36
Show 19450+5136 LEP 92 185 12.5 38
Show 19461+5140 ARY 66 224 101.1 43
Show 19441+5122 DEA 236 11 10.3 44
Show 19438+5121 TDT1679 264 3.2 44
Show 19433+5116 HEI 906 265 3.1 47
Show 19451+5124 KOI7539 348 3.0 47
Show 19450+5122 KOI7536 306 3.7 48
Show 19421+5112 KOI4895 77 2.2 49
Show 19422+5112 KOI3122 AB 56 4.4 49
Show 19422+5112 KOI3122 AC 115 8.8 49
Show 19456+5121 KOI 439 AB 15 5.4 52
Show 19455+5119 KOI 790 97 2.7 53
Show 19451+5116 KOI5971 134 0.0 54
Show 19413+5108 KOI7527 98 2.8 54
Show 19478+5154 AG 239 238 16.2 55
Show 19444+5107 ARN 108 283 41.8 58
Show 19419+5101 KOI 279 247 0.9 61
Show 19463+5114 DEA 117 230 6.7 62
Show 19400+5055 DEA 208 113 9.5 69
Show 19354+5132 KPP4158 94 1.7 69
Show 19441+5054 ARY 22 222 59.4 70
Show 19465+5259 TDT1728 72 0.6 71
Show 19498+5155 AZC 179 234 23.1 72
Show 19466+5101 JKA 79 166 470.2 74
Show 19487+5118 HEI 907 177 1.5 76
Show 19389+5049 DEA 392 310 19.3 77
Show 19366+5301 UC 3985 65 32.1 78
Show 19468+5057 TDT1735 286 2.4 78
Show 19424+5043 KOI 980 33 0.9 78
Show 19421+5319 ES 657 AB 119 3.0 78
Show 19421+5319 GUI 27 AC 112 82.9 78
Show 19465+5308 ES 658 AB 306 6.5 79
Show 19465+5308 ES 658 AC 90 30.9 79
Show 19465+5308 ES 658 CD 281 8.6 79
Show 19450+5047 KOI5959 189 2.8 80
Show 19507+5203 KPP1609 93 12.2 80
Show 19455+5046 WFC 225 214 55.0 82
Show 19468+5051 ES 795 AB 330 4.2 82
Show 19468+5051 ES 795 AC 48 15.2 82
Show 19468+5051 ES 795 AD 53 26.0 82
Show 19508+5222 MLR 640 97 1.9 83
Show 19510+5143 TDT1800 238 0.8 85
Show 19338+5241 TDT1542 38 2.3 86
Show 19326+5200 UC 3971 172 28.6 88
Show 19409+5034 KOI 623 AB 202 5.6 89
Show 19418+5033 KOI4512 148 0.4 89
Show 19327+5142 UC 3972 318 29.0 89

 
 
WDS 19420+5201 : COMPONENTS
 
 
  A B
B pa=256.3°
sep=45.14"
 
C pa=252.6°
sep=41.07"
pa=108.4°
sep=4.91"
 
 
19420+5201 A
 
 
Name HD 234978 Coord arcsec 2000 194202.87+520104.4 Mag 9.35 Spectral class K7 (yellow-orange)
PmRA 7.00 PmDE 12.0 SAO 31903 Tycho2 3569-01212-1
HD 234978 ADS 12821 DM BD+51 2664
Tycho2
Tycho2 3569-01212-1 Pflag RAmdeg 295.51197113 DEmdeg 52.01790762
PmRA 8.1 PmDE 13.1 E RAmdeg 13 E DEmdeg 12
E pmRA 1.4 E pmDE 1.4 EpRAm 1989.58 EpDEm 1989.94
Num 7 Q RAmdeg 0.9 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.7 BTmag 10.890 E BTmag 0.040 VTmag 9.354
E VTmag 0.017 Prox 449 TYC T HIP
CCDM RAdeg 295.51193750 DEdeg 52.01787722 EpRA 1990 1.58
EpDE 1990 1.66 E RAdeg 14.1 E DEdeg 12.9 Posflg
Corr 0.0
SAO
SAO 31903 DelFlag RA1950 PmRA1950 0.0012
DE1950 PmDE1950 0.014 Vmag 8.7 SpType K7
Double code Source 37 CatNum 6156 DM BD+51 2664
DMcomp BDsup HD 234978 M HD 0
GC RA1950rad 5.15208162 DE1950rad 0.90579885 PmRA2000 0.0017
PmDE2000 0.013
CCDM
Ccdm 19420+5201 RComp Comp A Note1
Note2 Discov num DRAs 2.86 DDEs 4.8
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.9 Sp K7 PmNote *
PmRA 4 PmDE 19 Dm number +51 2664 Cat1 BD
Name2 +51 1347 Cat2 AGK2/3 HD 234978 M HD
ADS BDS A12821 M ADS BDS N IDS IDS 19395N5147A
HIC
 
 
19420+5201 B
 
 
Coord arcsec 2000 194158.12+520053.7 Coord calc 194158.12+520053.7 Mag 10.05 Spectral class K5 (yellow-orange)
PmRA -7.00 PmDE -24.0 SAO 31901 Tycho2 3569-01612-1
HD 234976 ADS 12821 DM BD+51 2662 Calc delta mag 0.7
Tycho2
Tycho2 3569-01612-1 Pflag RAmdeg 295.49217301 DEmdeg 52.01493150
PmRA -6.6 PmDE -23.0 E RAmdeg 21 E DEmdeg 20
E pmRA 1.5 E pmDE 1.5 EpRAm 1987.53 EpDEm 1987.88
Num 7 Q RAmdeg 1.7 Q DEmdeg 1.5 Q pmRA 1.6
Q pmDE 1.4 BTmag 11.425 E BTmag 0.056 VTmag 10.045
E VTmag 0.028 Prox 449 TYC T HIP
CCDM RAdeg 295.49219944 DEdeg 52.01498806 EpRA 1990 1.60
EpDE 1990 1.65 E RAdeg 23.2 E DEdeg 21.6 Posflg
Corr 0.0
SAO
SAO 31901 DelFlag RA1950 PmRA1950 -0.002
DE1950 PmDE1950 -0.022 Vmag 9 SpType K5
Double code Source 37 CatNum 6154 DM BD+51 2662
DMcomp BDsup HD 234976 M HD 0
GC RA1950rad 5.15173986 DE1950rad 0.90575814 PmRA2000 -0.0015
PmDE2000 -0.023
CCDM
Ccdm 19420+5201 RComp Comp B Note1
Note2 Discov num ES 794 DRAs -1.87 DDEs -7.9
R dRAs 10 Year 1909 Theta 261 Rho 42.5
Obs 1 Vmag 9.6 Sp K5 PmNote *
PmRA -11 PmDE -46 Dm number +51 2662 Cat1 BD
Name2 +51 1346 Cat2 AGK2/3 HD 234976 M HD
ADS BDS A12821 M ADS BDS N IDS IDS 19395N5147B
HIC
 
 
19420+5201 C
 
 
Coord arcsec 2000 194158.62+520052.1 Mag 14.2 Calc delta mag 4.85 Calc coord yes
CCDM
Ccdm 19420+5201 RComp B Comp C Note1
Note2 Discov num ES 794 DRAs DDEs
R dRAs Year 1909 Theta 120 Rho 8.3
Obs 1 Vmag 13.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12821 M ADS BDS N IDS IDS 19395N5147C
HIC