Coord 2000 | 21048+3531 | Discov num | GRV 410 | Comp | BC | Coord arcsec 2000 | 21 04 49.19 +35 31 53.5 | ||||
Date first | 1905 | Date last | 2016 | Obs | 10 | ||||||
Pa first | 83 | Pa last | 81.6 | P.A. Now (θ) | 81.6° | ||||||
Sep first | 16.7 | Sep last | 17.187 | Sep. Now (ρ) | 17.187" | ||||||
Mag pri | 9.58 | Mag sec | 12.90 | delta mag (ΔM) | 3.32 | Spectral class | K0 (yellow-orange) | ||||
Pri motion ra | +015 | Sec motion ra | +021 | ||||||||
Pri motion dec | +017 | Sec motion dec | +017 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 21 04 46 +35 30 39 | S 773 AB | 2015 | 19 | 30 | 86.3 | 9.11 | 9.58 | 0.47 | ||||
Show | 21 04 49 +35 31 54 | TDT 2727 Ba,Bb | 1991 | 1 | 170 | 0.4 | 10.23 | 10.28 | 0.05 | ||||
Show | 21 04 49 +35 31 54 | GRV 410 BC | 2016 | 10 | 82 | 17.2 | 9.58 | 12.90 | 3.32 | <=== |
Constellation | Cygnus | Tycho2 | 2709-01995-1 | Gaia DR2 | 1868193680080253824 |
discov_num | notes | refcode |
S 773 | B is BD+34@4265. |
refcode | metd | author | reference |
Grv2004 | Eu - | Greaves, J. | 2004MNRAS.355..585G |
Grv2004 | MNRAS 355, 585, 2004 | ||
Grv2005a | Es - | Greaves, J. | ................... |
Grv2005a | +C | Webb Soc., Double Star Circ. 13, 2005 (GRV 973 - 1147) | |
Grv2005a | (Note: RA for all WDS designations inadvertently truncated to integer minute) | ||
Grv2005b | Pa - | Greaves, J. | ................... |
Grv2005b | private communication | ||
Grv2005c | C - | Greaves, J. | 2005JDSO....1...41G |
Grv2005c | JDSO 1, 41, 2005 | ||
Grv2006 | - | Greaves, J. | ................... |
Grv2006 | private communication, 2006 | ||
Grv2006 | (measures done using LSPM-north, see Vizier On-line Data Catalog I/298; | ||
Grv2006 | Lepine & Shara 2005) | ||
Grv2006b | Es - | Greaves, J. | ................... |
Grv2006b | private Communication, 2006 | ||
Grv2006b | (Reduction of SDSS data. Calculated position is to J2000, but actual observation | ||
Grv2006b | epoch is unknown and proper motion may or may not have been applied.) | ||
Grv2006c | Ey - | Greaves, J. | ................... |
Grv2006c | private Communication, 2006 | ||
Grv2006c | (Reduction of SPM3.3 data. Calculated position is to 1991.25, but actual | ||
Grv2006c | observation epoch is unknown and proper motion may or may not have been applied.) | ||
Grv2008 | Es - | Greaves, J. | ................... |
Grv2008 | Webb Soc., Double Star Circ. 16, 2008 | ||
Grv2011 | C - | Greaves, J. | ................... |
Grv2011 | Webb Soc., Double Star Circ. 19, 2011 | ||
Grv2011 | These carry a discovery designation of SPM and come from the SPM4 Catalog | 2011AJ....142...15G | |
Grv2019a | Hg u | Greaves, J. | 2019JDSO...15...59G |
Grv2019a | JDSO 15, 59, 2019 | ||
Grv2019b | Hg u | Greaves, J. | 2019JDSO...15...77G |
Grv2019b | JDSO 15, 59, 2019 | ||
Grv2019c | Hg u | Greaves, J. | ................... |
Grv2019c | private communication, 2019 (17 April 2019 email) | ||
Grv2019d | Hg - | Greaves, J. | . |
Grv2019d | private communication, 2019 (4 Nov 2019 email) | ||
Grv2020a | not - | Greaves, J. | . |
Grv2020a | private communication, 2020 (14 Mar 2020 email) | ||
Grv2020b | Hg j | Greaves, J. | . |
Grv2020b | Webb Soc., Double Star Circ. 28, 23, 2020 | ||
Grv2020c | Hg j | Greaves, J. | . |
Grv2020c | Webb Soc., Double Star Circ. 28, 35, 2020 | ||
Grv2020d | Hg j | Greaves, J. | . |
Grv2020d | Webb Soc., Double Star Circ. 28, 39, 2020 | ||
Grv2020e | Hg u | Greaves, J. | 2020JDSO...16..317G |
Grv2020e | JDSO 16, 317, 2020 | ||
Grv2020f | Hg | Greaves, J. | 2020JDSO...16..362G |
Grv2020f | JDSO 16, 362, 2020 | ||
Grv2020g | Hg - | Greaves, J. | . |
Grv2020g | private communication, 2020 (29 Nov 2020 email) | ||
Grv2020h | Hg - | Greaves, J. | . |
Grv2020h | private communication, 2020 (10 Dec 2020 email) | ||
Grv2020i | Hg - | Greaves, J. | . |
Grv2020i | private communication, 2020 (12 Dec 2020 email) | ||
Grv2020j | Hg - | Greaves, J. | . |
Grv2020j | private communication, 2020 (21 Dec 2020 email) | ||
Grv2021a | not - | Greaves, J. | . |
Grv2021a | private communication, 2021 (18 Feb 2021 email) | ||
Grv2021b | not - | Greaves, J. | . |
Grv2021b | private communication, 2021 (23 Feb 2021 email) | ||
Grv2021c | Hg+ - | Greaves, J., Rica Romero, F.M. & Otero, S. | 2021JDSO...17..137G |
Grv2021c | +orb | JDSO 17, 137, 2021 | |
Grv2021d | Hg - | Greaves, J. | . |
Grv2021d | private communication, 2021 (23 Aug 2021 email) | ||
Grv2021e | Hg - | Greaves, J. | . |
Grv2021e | private communication, 2021 (24 Aug 2021 email) | ||
Grv2022 | Hg j | Greaves, J. . | |
Grv2022 | Webb Soc., Double Star Circ. 30, 27, 2022 | ||
Grv2023a | Hg - | Greaves, J. | . |
Grv2023a | private communication, 2023 (15 Feb 2023 email) | ||
S__1826 | Ma - | South, J. | 1826RSPT..116....1S |
S__1826 | Phil. Trans. R. Soc., 116, Pt.1, 1826 | ||
S__1844A | Ma - | South, J. | 1844QB43.S66....... |
S__1844A | cited by Smyth (Cycle of Celestial Objects 2, 1844) | ||
S__1852A | Ma - | South, J. | . |
S__1852A | cited by Bishop (Bishop Obs. Astron. Observations 1852) | ||
S__1880A | Ma - | South, J. | 1880MNRAS..40..497B |
S__1880A | cited by Burnham (MNRAS 40, 497, 1880) | ||
S__1906A | Ma - | South, J. | 1906MmRAS..56....1L |
S__1906A | cited by Lewis (MemRAS 56, 1, 1906) | ||
S__1906B | Ma - | South, J. | 1906QB821.B972..... |
S__1906B | cited in BDS (Burnham Double Star Cat., 1906) | ||
S__1913A | Ma - | South, J. | 1913QB811.B8....... |
S__1913A | cited by Burnham (Carnegie Inst. Wash. #168, 1913) | ||
S__1922A | Ma - | South, J. | 1922AN....216...49R |
S__1922A | cited by Rabe (AN 216, 49, 1922) |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
21048+3531 | GRV 410 | BC | 2000 | 3 | 82 | 17.2 | 9.30 | 12.60 | D | 210449.19+353153.5 | |
21048+3531 | GRV 410 | BC | 2002 | 5 | 82 | 17.2 | 9.58 | 12.90 | N D | 210449.19+353153.5 | |
21048+3531 | GRV 410 | BC | 2015 | 5 | 82 | 17.2 | 9.58 | 12.90 | K0 | N | 210449.19+353153.5 |
21048+3531 | GRV 410 | BC | 2016 | 10 | 82 | 17.2 | 9.58 | 12.90 | K0 | N | 210449.19+353153.5 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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A | B | Bb | |
B | pa=30.2° sep=86.10" | ||
Bb | pa=30.4° sep=85.83" | pa=171.6° sep=0.35" | |
C | pa=36.6° sep=95.84" | pa=79.7° sep=14.06" | pa=78.3° sep=14.08" |
Coord arcsec 2000 | 210445.64+353039.1 | Mag | 9.11 | Spectral class | M0 (red) | PmRA | 0.00 | ||||
PmDE | 4.0 | Tycho2 | 2709-01899-1 |
Tycho2 | 2709-01899-1 | Pflag | RAmdeg | 316.19017253 | DEmdeg | 35.51088778 | |||||
PmRA | -3.3 | PmDE | 2.4 | E RAmdeg | 12 | E DEmdeg | 11 | ||||
E pmRA | 1.6 | E pmDE | 1.6 | EpRAm | 1990.40 | EpDEm | 1990.72 | ||||
Num | 8 | Q RAmdeg | 0.8 | Q DEmdeg | 1.6 | Q pmRA | 0.8 | ||||
Q pmDE | 1.6 | BTmag | 11.086 | E BTmag | 0.044 | VTmag | 9.108 | ||||
E VTmag | 0.015 | Prox | 859 | TYC | T | HIP | |||||
CCDM | RAdeg | 316.19018139 | DEdeg | 35.51088306 | EpRA 1990 | 1.68 | |||||
EpDE 1990 | 1.82 | E RAdeg | 12.3 | E DEdeg | 10.5 | Posflg | |||||
Corr | 0.1 |
Ccdm | 21048+3531 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -2.44 | DDEs | -20.2 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 9.3 | Sp | PmNote | * | |||||
PmRA | -6 | PmDE | 14 | Dm number | +34 4264 | Cat1 | BD | ||||
Name2 | +35 2153 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | B10721 | M ADS BDS | N IDS | IDS | 21007N3507A | ||||||
HIC |
Coord arcsec 2000 | 210449.19+353153.5 | Coord calc | 210449.19+353153.5 | Mag | 9.58 | Spectral class | K0 (yellow-orange) | ||||
PmRA | 15.00 | PmDE | 17.0 | Tycho2 | 2709-01995-1 | Calc delta mag | 0.47 |
Tycho2 | 2709-01995-1 | Pflag | RAmdeg | 316.20496623 | DEmdeg | 35.53153580 | |||||
PmRA | 11.4 | PmDE | 18.8 | E RAmdeg | 16 | E DEmdeg | 13 | ||||
E pmRA | 1.7 | E pmDE | 1.6 | EpRAm | 1989.79 | EpDEm | 1990.15 | ||||
Num | 7 | Q RAmdeg | 0.8 | Q DEmdeg | 1.2 | Q pmRA | 0.8 | ||||
Q pmDE | 1.2 | BTmag | 10.780 | E BTmag | 0.036 | VTmag | 9.581 | ||||
E VTmag | 0.020 | Prox | 859 | TYC | T | HIP | |||||
CCDM | RAdeg | 316.20493306 | DEdeg | 35.53149278 | EpRA 1990 | 1.61 | |||||
EpDE 1990 | 1.81 | E RAdeg | 16.5 | E DEdeg | 13.9 | Posflg | |||||
Corr | 0.2 |
Ccdm | 21048+3531 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | S 773 | DRAs | 1.20 | DDEs | 53.6 | |||||
R dRAs | 10 | Year | 1824 | Theta | 030 | Rho | 84.0 | ||||
Obs | 5 | Vmag | 10.2 | Sp | PmNote | * | |||||
PmRA | 23 | PmDE | 24 | Dm number | +34 4265 | Cat1 | BD | ||||
Name2 | +35 2154 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | B10721 | M ADS BDS | N IDS | IDS | 21007N3507B | ||||||
HIC |
Coord arcsec 2000 | 210449.19+353153.2 | Mag | 10.28 | PmRA | 11.00 | PmDE | 19.0 | ||||
Calc delta mag | 1.17 | Calc coord | yes |
Coord arcsec 2000 | 210450.32+353156.0 | Mag | 12.9 | PmRA | 21.00 | PmDE | 17.0 | ||||
Calc delta mag | 3.79 | Calc coord | yes |