Exposure
ID
GRAVI.2025-10-04T01:05:33.488_1
Header ID
GRAVI.2025-10-04T01:05:33.488
Date updated
2025-10-04 01:15:49 UTC+0000
Release date
2026-10-04 01:15:49 UTC+0000
UTC Start
2025-10-04 01:05:33.488
UTC End
2025-10-04 01:08:13.488
MJD Start
60952.04552648
MJD End
60952.04737833185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004366999999999999
Ambient temperature (°C)
12.41
Seeing (arcsec)
0.615
Observation
ID
70607
Category
science
Program ID
116.28ZD.003
Program Title
DO SOME HOT SUBDWARF BINARIES DESCEND FROM HIERARCHICAL TRIPLES? NEW INSIGHTS FROM INTERFEROMETRY
Program Type
Normal
PI / COI
DESHMUKH / GEIER / SANA / DAWSON / DORSCH / HEBER / KUPFER
Target
ID
52367
Name
GALEX_J222758.5+2006
RA
336.995612
DEC
20.10631
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 37.7010 37.9240 26.6000 27.1000
U1-U3 69.2420 69.7650 36.0000 36.4000
U1-U4 104.6500 105.5060 71.1920 71.1030
U2-U3 32.6320 32.9170 46.9000 47.1000
U2-U4 82.1600 82.5700 89.9750 89.7270
U3-U4 62.4400 62.4580 110.8890 110.6340
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28ZD.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60952.04552648
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME GALEX J222758.5+200623
HIERARCH ESO INS SOBJ NAME GALEX_J222758.5+2006
RA 336.995612
DEC 20.10631
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 37.701
HIERARCH ESO ISS PBL12 END 37.924
HIERARCH ESO ISS PBLA12 START 26.6
HIERARCH ESO ISS PBLA12 END 27.1
HIERARCH ESO ISS PBL13 START 69.242
HIERARCH ESO ISS PBL13 END 69.765
HIERARCH ESO ISS PBLA13 START 36.0
HIERARCH ESO ISS PBLA13 END 36.4
HIERARCH ESO ISS PBL14 START 104.65
HIERARCH ESO ISS PBL14 END 105.506
HIERARCH ESO ISS PBLA14 START 71.192
HIERARCH ESO ISS PBLA14 END 71.103
HIERARCH ESO ISS PBL23 START 32.632
HIERARCH ESO ISS PBL23 END 32.917
HIERARCH ESO ISS PBLA23 START 46.9
HIERARCH ESO ISS PBLA23 END 47.1
HIERARCH ESO ISS PBL24 START 82.16
HIERARCH ESO ISS PBL24 END 82.57
HIERARCH ESO ISS PBLA24 START 89.975
HIERARCH ESO ISS PBLA24 END 89.727
HIERARCH ESO ISS PBL34 START 62.44
HIERARCH ESO ISS PBL34 END 62.458
HIERARCH ESO ISS PBLA34 START 110.889
HIERARCH ESO ISS PBLA34 END 110.634
HIERARCH ESO ISS AMBI TAU0 START 0.004311
HIERARCH ESO ISS AMBI TAU0 END 0.004423
HIERARCH ESO ISS AMBI TEMP 12.41
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.54