Coord 2000 | 20434+3535 | Discov num | EVS 44 | Comp | AD | Coord arcsec 2000 | 20 43 24.20 +35 35 16.1 | ||||
Date first | 2011 | Date last | 2011 | Obs | 1 | ||||||
Pa first | 298 | Pa last | 298.3 | P.A. Now (θ) | 298.3° | ||||||
Sep first | 14.8 | Sep last | 14.8 | Sep. Now (ρ) | 14.8" | ||||||
Mag pri | 6.39 | Mag sec | 16.33 | delta mag (ΔM) | 9.94 | Spectral class | F7Ib (yellow-white) | ||||
Pri motion ra | -007 | Sec motion ra | |||||||||
Pri motion dec | -003 | Sec motion dec | |||||||||
Notes | N U (See Notes, Proper motion indicates non-physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 70423 | 20 43 24 +35 35 16 | ISM 5 AB | 1990 | 1 | 145 | 0.0 | 6.48 | |||||
Show | X Cyg | 70423 | 20 43 24 +35 35 16 | EVS 44 AC | 2011 | 1 | 96 | 12.9 | 6.39 | 18.61 | 12.22 | ||
Show | 70423 | 20 43 24 +35 35 16 | EVS 44 AD | 2011 | 1 | 298 | 14.8 | 6.39 | 16.33 | 9.94 | <=== |
Var name | X Cyg | Constellation | Cygnus | SAO | 70423 | HIP | 102276 | ||||
Tycho2 | 2695-04136-1 | Gaia DR2 | 1870258975238302208 | HD | 197572 | HR | 7932 | ||||
GC | 28886 | BD | BD+35 4234 | Distance | 1538.46 | Distance ly | 5018.46 |
discov_num | notes | refcode |
ISM 5 | The Cepheid X Cyg. |
refcode | metd | author | reference |
Evs1993 | C - | Udalski, A. & Evans, N.R. | 1993AJ....106..348U |
Evs1993 | AJ 106, 348, 1993 | ||
Evs1994 | C - | Evans, N.R. & Udalski, A. | 1994AJ....108..653E |
Evs1994 | AJ 108, 653, 1994 | ||
Evs2005 | Ha j | Evans, N.R., Schaefer, G., Bond, H., Bono, G., Karovska, M., Nelan, E., & | 2005AAS...207.1104E |
Evs2005 | Sasselov, D. | ||
Evs2005 | +orb | AAS meeting 207, #11.04, 2006 | |
Evs2006 | H j | Evans, N.R., Franz, O., Massa, D., Mason, B., Walker, R.L., & Marovska, M. | 2006PASP..118.1545E |
Evs2006 | +S | PASP 118, 1545, 2006 | |
Evs2008 | Ha j | Evans, N.R., Schaefer, G.H., Bond, H., Bono, G., Karovska, M., Nelan, E., | 2008AJ....136.1137E |
Evs2008 | Sasselov, D., & Mason, B.D. | ||
Evs2008 | AJ 136, 1137, 2008 | ||
Evs2009 | Hs j | Evans, N.R., Massa, D., & Proffitt, C. | 2009AJ....137.3700E |
Evs2009 | +E2 | AJ 137, 3700, 2009 | |
Evs2013 | Hp j | Evans, N.R., Bond, H.E., Schaefer, G.H., Mason, B.D., Karovska, M., & Tingle, E. | 2013AJ....146...93E |
Evs2013 | +X | AJ 146, 93, 2013 | |
Evs2016a | H3 - | Evans, N.R., Bond, H.E., Schaefer, G.H., Mason, B.D., Tingle, E., Karovska, M., & | 2016AJ....151..129E |
Evs2016a | Pillitteri, I. | ||
Evs2016a | AJ 151, 129, 2016 | ||
Evs2016a | (some theta values replaced with more precise values from Evs2016b) | 2016AJ....151..108E | |
Evs2016b | H3 - | Evans, N.R., Pillitteri, I., Wolk, S., Karovska, M., Tingle, E., Guinan, E., | 2016AJ....151..108E |
Evs2016b | Engle, S., Bond, H.E., Schaefer, G.H., & Mason, B.D. | ||
Evs2016b | AJ 151, 108, 2016 (most measures also in Evs2016a) | 2016AJ............E | |
Evs2018 | H - | Evans, N.R., Karovska, M., Bond, H.E., Schaefer, G.H., Sahu, K.C., Mack, J., | 2018ApJ...863..187E |
Evs2018 | +orb | Nelan, E.P., Gallenne, A. & Tingle, E.D. | |
Evs2018 | ApJ 863, 187, 2018 | ||
Evs2020 | - - | Evans, N.R., Pillitteri, I., Molnar, L., Szabados, L., Plachy, E., Szabo, R., | 2020AJ....159..121E |
Evs2020 | Engle, S., Guinan, E., Wolk, S., Gunther, H.M., Neilson, H., Marengo, M., Matthews, | ||
Evs2020 | L.D., Moschou, S., Drake, J.J., Kashyap, V., Kervella, P., Tordai, T., Somogyi, P. | ||
Evs2020 | & Burki, G. | ||
Evs2020 | AJ 159, 121, 2020 | ||
Evs2020b | H3 | Evans, N.R., Gunther, H.M., Bond, H.E., Schaefer, G.H., Mason, B.D., Karovska, M., | 2020ApJ...905...81E |
Evs2020b | Tingle, E., Wolk, S., Engle, S., Guinan, E., Pillitteri, I., Proffitt, C., | ||
Evs2020b | Kervella, P. & Gallenne, A. | ||
Evs2020b | ApJ 905, 81, 2020 | ||
Ism1992 | Ig u | Ismailov, R.M. | 1992A&AS...96..375I |
Ism1992 | A&AS 96, 375, 1992 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20434+3535 | EVS 44 | AD | 2011 | 1 | 298 | 14.8 | 6.39 | 16.33 | F7Ib | NU | 204324.20+353516.1 |
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 | C | |
B | pa=150.6° sep=0.05" | ||
C | pa=97.6° sep=10.52" | pa=97.4° sep=10.49" | |
D | pa=303.5° sep=12.71" | pa=303.6° sep=12.75" | pa=291.8° sep=22.65" |
Coord arcsec 2000 | 204324.20+353516.1 | Mag | 6.48 | Spectral class | F7Ib (yellow-white) | PmRA | 0.00 | ||||
PmDE | -6.0 | SAO | 70423 | HIP | 102276 | Tycho2 | 2695-04136-1 | ||||
HD | 197572 | HR | 7932 | GC | 28886 | BD | BD+35 4234 |
Tycho2 | 2695-04136-1 | Pflag | RAmdeg | 310.85080592 | DEmdeg | 35.58780661 | |||||
PmRA | -5.6 | PmDE | -1.6 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 1.2 | E pmDE | 1.2 | EpRAm | 1991.56 | EpDEm | 1991.64 | ||||
Num | 15 | Q RAmdeg | 1.5 | Q DEmdeg | 0.8 | Q pmRA | 1.6 | ||||
Q pmDE | 0.8 | BTmag | 7.829 | E BTmag | 0.015 | VTmag | 6.521 | ||||
E VTmag | 0.010 | Prox | 999 | TYC | T | HIP | 102276 | ||||
CCDM | RAdeg | 310.85082139 | DEdeg | 35.58781028 | EpRA 1990 | 1.76 | |||||
EpDE 1990 | 1.81 | E RAdeg | 4.0 | E DEdeg | 3.7 | Posflg | |||||
Corr | 0.1 |
SAO | 70423 | DelFlag | RA1950 | PmRA1950 | -0.001 | ||||||
DE1950 | PmDE1950 | -0.001 | Vmag | 5.7 | SpType | G0p | |||||
Double code | Source | 70 | CatNum | 28886 | DM | BD+35 4234 | |||||
DMcomp | BDsup | HD | 197572 | M HD | 0 | ||||||
GC | 28886 | RA1950rad | 5.41681824 | DE1950rad | 0.61796263 | PmRA2000 | -0.0008 | ||||
PmDE2000 | -0.003 |
Catalog | H | HIP | 102276 | Proxy | RAhms | 20 43 24.20 | |||||
DEdms | +35 35 16.1 | Vmag | 6.48 | VarFlag | 3 | R Vmag | T | ||||
RAdeg | 310.851 | DEdeg | 35.5878 | AstroRef | * | Plx | 1.47 | ||||
CCDM | N CCDM | Nsys | Ncomp | 1 | |||||||
MultFlag | V | Source | Qual | M HIP | |||||||
Theta | Rho | HD | 197572 | BD | BD+35 4234 | ||||||
CD | CP | Dm number | +35 4234 | VIred | 1.03 | ||||||
SpType | G8Ib | R SpType | Coord arcsec 2000 | 204324.20+353516.1 |
HIP | 102276 | Sn | 5 | So | 5 | Nc | 1 | ||||
RArad | 5.4253703008 | DErad | 0.621124448 | Plx | 0.65 | PmRA | -6.79 | ||||
PmDE | -3.37 | E RArad | 0.39 | E DErad | 0.41 | E Plx | 0.53 | ||||
E pmRA | 0.41 | E pmDE | 0.47 | Hpmag | 6.5371 | E Hpmag | 0.0585 | ||||
SHp | 0.429 | VA | 1 | BV | 1.251 | E BV | 0.068 | ||||
VI | 1.21 |
Coord arcsec 2000 | 204324.20+353516.1 | Calc delta mag | 6.48 | Calc coord | yes |
Coord arcsec 2000 | 204325.05+353514.7 | Mag | 18.61 | Calc delta mag | 12.13 | Calc coord | yes |
Coord arcsec 2000 | 204323.33+353523.1 | Mag | 16.33 | Calc delta mag | 9.85 | Calc coord | yes |