Log-in to SkyMapper

Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185151940 (SMSS J172717.40-201949.9)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.8225
Dec (deg)-20.3305
Galactic lon. (deg)5.0676
Galactic lat. (deg)8.1145
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.581 ± 0.030
Nearest DR4 source 185151939 (4.8 arcs away)
2nd-nearest DR4 source 185151941 (7.8 arcs away)
3rd-nearest DR4 source 185151943 (9.5 arcs away)
Times observed2
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — — — 18.864 ± 0.051 —
Petrosian mag. — — — — 19.213 ± 0.183 —

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 20150901084554 18.789 ± 0.109 1,0 100 2
i 20190505170526 18.889 ± 0.116 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.31 1.41
GAIA source ID 4121255458241810176 4121255458255570560
Bp mag. 20.112 --
G mag. 19.535 20.695
Rp mag. 18.657 --
Bp/Rp excess 1.371 --
Parallax (mas) 0.072 ± 0.583 -- ± --
PM RA (mas/yr) -3.968 ± 0.601 -- ± --
PM Dec (mas/yr) -1.259 ± 0.418 -- ± --
A.E.N. (mas) 0.467 ± 0.372 7.197 ± 4.434

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 19.124 ± 0.011
i -- ± --
z -- ± --
Y -- ± --
J 17.597 ± 0.044
H -- ± --
K 16.973 ± 0.100
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.