Coord 2000 | 18214-1852 | Discov num | KRV 48 | Comp | AC | Coord arcsec 2000 | 18 21 22.99 -18 51 35.9 | ||||
Date first | 2015 | Date last | 2015 | Obs | 1 | ||||||
Pa first | 157 | Pa last | 156.9 | P.A. Now (θ) | 156.9° | ||||||
Sep first | 71.4 | Sep last | 71.37 | Sep. Now (ρ) | 71.37" | ||||||
Mag pri | 8.20 | Mag sec | 19.60 | delta mag (ΔM) | 11.4 | Spectral class | F8II (yellow-white) | ||||
Pri motion ra | -003 | Sec motion ra | |||||||||
Pri motion dec | -007 | Sec motion dec | |||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | Y Sgr | 161376 | 18 21 23 -18 51 36 | EVS 35 AB | 2011 | 1 | 204 | 10.6 | 5.74 | 17.06 | 11.32 | ||
Show | 161376 | 18 21 23 -18 51 36 | KRV 48 AC | 2015 | 1 | 157 | 71.4 | 8.20 | 19.60 | 11.40 | <=== | ||
Show | 161376 | 18 21 23 -18 51 36 | KRV 48 AD | 2015 | 1 | 98 | 95.0 | 8.20 | 19.60 | 11.40 |
Var name | Y Sgr | Constellation | Sagittarius | SAO | 161376 | HIP | 89968 | ||||
Tycho2 | 6273-00200-1 | HD | 168608 | HR | 6863 | GC | 25038 | ||||
BD | BD-18 4926 | Distance | 378.79 | Distance ly | 1235.61 |
discov_num | notes | refcode |
EVS 35 | Primary is the Cepheid Y Sgr. | Evs2016a |
refcode | metd | author | reference |
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 |
idgroup | discov | author |
1 | KRV | Kervella, P., Thevenin, F., & Petr-Gotzens, M.G. |
10 | KRV | Kervella, P., Gallenne, A., Evans, N.R., Szabados, L., Arenouu, F., Merand, A., |
10 | KRV | Proto, Y., Karczmarek, P., Nardetto, N., Gieren, W. & Pietrzynski, G. |
11 | KRV | Kervella, P., Gallenne, A., Evans, N.R., Szabados, L., Arenouu, F., Merand, A., |
11 | KRV | Nardetto, N., Gieren, W. & Pietrzynski, G. |
13 | KRV | Kervella, P., Borgniet, S., de Souza, A.D., Merand, A., Gallenne, A., Rivinius, T., |
13 | KRV | Lacour, S., Carciofi, A., Faes, D.M., Le Bouquin, J.-B., Taormina, M., Pilecki, B., |
13 | KRV | Berger, J.-P., Bendjoya, P., Klement, R., Millour, F., Janot-Pacheco, E., Spang, A. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
18214-1852 | KRV 48 | AC | 2015 | 1 | 157 | 71.4 | 8.20 | 19.60 | F8II | N | 182122.99-185135.9 |
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=203.0° sep=10.51" | ||
C | pa=158.0° sep=70.79" | pa=151.3° sep=63.80" | |
D | pa=98.4° sep=90.02" | pa=92.2° sep=93.22" | pa=50.0° sep=81.61" |
Name | Y Sgr | Coord arcsec 2000 | 182122.99-185135.9 | Mag | 5.74 | Spectral class | F8II (yellow-white) | ||||
PmRA | -3.00 | PmDE | -7.0 | SAO | 161376 | HIP | 89968 | ||||
Tycho2 | 6273-00200-1 | HD | 168608 | HR | 6863 | GC | 25038 | ||||
BD | BD-18 4926 |
Tycho2 | 6273-00200-1 | Pflag | RAmdeg | 275.34577738 | DEmdeg | -18.86000385 | |||||
PmRA | -2.0 | PmDE | -8.0 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 0.8 | E pmDE | 0.8 | EpRAm | 1991.22 | EpDEm | 1991.24 | ||||
Num | 22 | Q RAmdeg | 0.8 | Q DEmdeg | 1.0 | Q pmRA | 0.9 | ||||
Q pmDE | 1.0 | BTmag | 6.969 | E BTmag | 0.015 | VTmag | 5.926 | ||||
E VTmag | 0.010 | Prox | 999 | TYC | T | HIP | 89968 | ||||
CCDM | RAdeg | 275.34578222 | DEdeg | -18.85998556 | EpRA 1990 | 1.82 | |||||
EpDE 1990 | 1.79 | E RAdeg | 3.6 | E DEdeg | 4.3 | Posflg | |||||
Corr | 0.0 |
SAO | 161376 | DelFlag | RA1950 | PmRA1950 | 0.0007 | ||||||
DE1950 | PmDE1950 | -0.01 | Vmag | 5.4 | SpType | F5p | |||||
Double code | Source | 70 | CatNum | 25038 | DM | BD-18 4926 | |||||
DMcomp | BDsup | HD | 168608 | M HD | 0 | ||||||
GC | 25038 | RA1950rad | 4.79285525 | DE1950rad | -0.32958972 | PmRA2000 | 0.0008 | ||||
PmDE2000 | -0.009 |
Catalog | H | HIP | 89968 | Proxy | RAhms | 18 21 22.99 | |||||
DEdms | -18 51 35.9 | Vmag | 5.76 | VarFlag | 3 | R Vmag | T | ||||
RAdeg | 275.346 | DEdeg | -18.86 | AstroRef | Plx | 2.52 | |||||
CCDM | N CCDM | Nsys | Ncomp | 1 | |||||||
MultFlag | Source | Qual | S | M HIP | |||||||
Theta | Rho | HD | 168608 | BD | BD-18 4926 | ||||||
CD | CP | Dm number | -18 4926 | VIred | 0.8 | ||||||
SpType | F8II | R SpType | Coord arcsec 2000 | 182122.99-185135.9 |
HIP | 89968 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 4.8056905263 | DErad | -0.3291688081 | Plx | 2.64 | PmRA | -3.12 | ||||
PmDE | -7.01 | E RArad | 0.44 | E DErad | 0.24 | E Plx | 0.45 | ||||
E pmRA | 0.45 | E pmDE | 0.28 | Hpmag | 5.8554 | E Hpmag | 0.0558 | ||||
SHp | 0.31 | VA | 1 | BV | 0.67 | E BV | 0.02 | ||||
VI | 0.8 |
Coord arcsec 2000 | 182122.70-185145.6 | Mag | 17.06 | Calc delta mag | 11.32 | Calc coord | yes |
Coord arcsec 2000 | 182124.86-185241.5 | Mag | 19.6 | Calc delta mag | 13.86 | Calc coord | yes |
Coord arcsec 2000 | 182129.26-185149.1 | Mag | 19.6 | Calc delta mag | 13.86 | Calc coord | yes |