Log-in to SkyMapper

Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179829497 (SMSS J172556.37-204320.3)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.4849
Dec (deg)-20.7223
Galactic lon. (deg)4.5617
Galactic lat. (deg)8.1658
E(B-V) (SFD98) (mag)0.876
E(B-V) (GNILC) (mag)0.765 ± 0.058
Nearest DR4 source 2268062115 (5.4 arcs away)
2nd-nearest DR4 source 179829498 (6.1 arcs away)
3rd-nearest DR4 source 179829496 (7.9 arcs away)
Times observed2
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — — — 19.000 ± 0.031 —
Petrosian mag. — — — — 19.463 ± 0.172 —

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 18.971 ± 0.124 1,0 100 2
i 20150901084554 19.102 ± 0.122 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.09 4.43
GAIA source ID 4121123001448609408 4121123001455798400
Bp mag. 20.748 --
G mag. 19.626 21.030
Rp mag. 18.631 19.836
Bp/Rp excess 1.311 --
Parallax (mas) 0.000 ± 0.370 -- ± --
PM RA (mas/yr) -0.356 ± 0.489 -- ± --
PM Dec (mas/yr) -2.765 ± 0.329 -- ± --
A.E.N. (mas) 0.0 ± 0.0 6.295 ± 2.480

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.947 ± 0.020
r 19.691 ± 0.008
i 18.985 ± 0.016
z 18.626 ± 0.016
Y -- ± --
J 17.242 ± 0.029
H -- ± --
K 16.529 ± 0.054
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.