Log-in to SkyMapper

Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179900805 (SMSS J172820.11-203454.4)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)262.0838
Dec (deg)-20.5818
Galactic lon. (deg)4.9890
Galactic lat. (deg)7.7724
E(B-V) (SFD98) (mag)0.862
E(B-V) (GNILC) (mag)0.697 ± 0.034
Nearest DR4 source 179900804 (7.1 arcs away)
2nd-nearest DR4 source 179900808 (7.6 arcs away)
3rd-nearest DR4 source 1212980053 (7.7 arcs away)
Times observed2
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — — — 18.820 ± 0.034 —
Petrosian mag. — — — — 18.920 ± 0.173 —

2 x 2 arcmin

Image cutouts

See all image cutouts for this object here.
Images shown are the best images available from DR4, as determined by their coverage and approximate photometric zero-point.

Photometry measurements

Filter Image ID Magnitude (APC05) Flags Exp time (s) Image Quality
(1=best to 3)
i 20150901084153 18.825 ± 0.112 0,0 100 2
i 20190505170526 18.844 ± 0.108 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.34 5.29
GAIA source ID 4121034074153225088 4121034078474515968
Bp mag. 20.393 --
G mag. 19.681 20.778
Rp mag. 18.549 --
Bp/Rp excess 1.570 --
Parallax (mas) 1.285 ± 0.625 -- ± --
PM RA (mas/yr) -1.508 ± 0.611 -- ± --
PM Dec (mas/yr) -9.471 ± 0.462 -- ± --
A.E.N. (mas) 0.598 ± 0.346 3.772 ± 1.378

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.923 ± 0.009
i -- ± --
z -- ± --
Y -- ± --
J 17.331 ± 0.037
H -- ± --
K 16.453 ± 0.057
W1 -- ± --
W2 -- ± --
W3 -- ± --
W4 -- ± --
1Magnitude sources
FUV/NUV: AB mag (calibrated) from GALEX
ugriz: AB mag (Kron) from NOAO Source Catalog
YJHK: Vega mag from VISTA (2" aperture) or 2MASS PSC
W1-W4: Vega mag from CatWISE2020 or AllWISE (profile mag). No error value means the stated value is an upper limit.