Log-in to SkyMapper

Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179900804 (SMSS J172819.61-203455.3)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)262.0818
Dec (deg)-20.5820
Galactic lon. (deg)4.9877
Galactic lat. (deg)7.7739
E(B-V) (SFD98) (mag)0.862
E(B-V) (GNILC) (mag)0.697 ± 0.034
Nearest DR4 source 2268139655 (5.4 arcs away)
2nd-nearest DR4 source 179900805 (7.1 arcs away)
3rd-nearest DR4 source 179900785 (7.2 arcs away)
Times observed7
Total bad pixels0
Observing flags19

Magnitudes

Filter u v g r i z
PSF mag. 18.892 ± 0.022 18.096 ± 0.054 17.453 ± 0.038 16.864 ± --
Petrosian mag. 18.943 ± 0.052 17.803 ± 0.121 17.502 ± 0.148 15.965 ± --

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)
g 20190505165725 18.962 ± 0.043 19,0 100 2
g 20190506165109 18.898 ± 0.037 3,0 100 2
g 20190507143127 18.908 ± 0.058 3,0 100 2
g 20190822094124 18.903 ± 0.040 3,0 100 2
r 20140722114203 18.339 ± 0.149 0,0 5 2
r 20140729111131 18.133 ± 0.119 16,0 5 2
r 20190505165926 18.126 ± 0.041 3,0 100 2
r 20190506165309 18.045 ± 0.038 3,0 100 2
i 20140729111202 17.564 ± 0.092 16,0 10 2
i 20160420172350 17.458 ± 0.102 0,0 10 2
z 20140729111235 17.018 ± 0.074 19,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.02 4.17
GAIA source ID 4121034074138083456 4121034074153223040
Bp mag. 18.762 --
G mag. 17.944 20.660
Rp mag. 17.079 --
Bp/Rp excess 1.275 --
Parallax (mas) 0.353 ± 0.160 -- ± --
PM RA (mas/yr) -5.665 ± 0.177 -- ± --
PM Dec (mas/yr) -1.525 ± 0.138 -- ± --
A.E.N. (mas) 0.0 ± 0.0 7.295 ± 6.523

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.093 ± 0.003
i -- ± --
z -- ± --
Y -- ± --
J 15.779 ± 0.009
H -- ± --
K 13.407 ± 0.018
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.