Exposure
ID
GRAVI.2025-10-29T02:58:00.347_1
Header ID
GRAVI.2025-10-29T02:58:00.347
Date updated
2025-10-29 03:11:26 UTC+0000
Release date
2025-10-29 02:58:00 UTC+0000
UTC Start
2025-10-29 02:58:00.347
UTC End
2025-10-29 03:04:00.347
MJD Start
60977.12361513
MJD End
60977.12778179667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.009028
Ambient temperature (°C)
14.65
Seeing (arcsec)
0.52
Observation
ID
71037
Category
calibrator
Program ID
116.28ZD.002
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
52717
Name
HD_220502
RA
351.081135
DEC
-9.72889
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 82.5080 81.6300 121.3000 122.0000
A0-J2 120.8490 119.5760 96.5000 96.8000
A0-K0 123.9630 123.0910 74.5670 74.7180
G1-J2 57.5910 57.3760 59.4000 59.6000
G1-K0 90.3230 90.3930 32.8560 33.1860
J2-K0 46.5980 46.5950 359.2740 0.0000
Invalid fields
Key
PROJECTED_BASELINES
Header: validation messages
Message
Invalid value for 'HIERARCH ESO ISS PBLA34 END' : '0.0'
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28ZD.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60977.12361513
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 220502
HIERARCH ESO INS SOBJ NAME HD_220502
RA 351.081135
DEC -9.72889
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 82.508
HIERARCH ESO ISS PBL12 END 81.63
HIERARCH ESO ISS PBLA12 START 121.3
HIERARCH ESO ISS PBLA12 END 122.0
HIERARCH ESO ISS PBL13 START 120.849
HIERARCH ESO ISS PBL13 END 119.576
HIERARCH ESO ISS PBLA13 START 96.5
HIERARCH ESO ISS PBLA13 END 96.8
HIERARCH ESO ISS PBL14 START 123.963
HIERARCH ESO ISS PBL14 END 123.091
HIERARCH ESO ISS PBLA14 START 74.567
HIERARCH ESO ISS PBLA14 END 74.718
HIERARCH ESO ISS PBL23 START 57.591
HIERARCH ESO ISS PBL23 END 57.376
HIERARCH ESO ISS PBLA23 START 59.4
HIERARCH ESO ISS PBLA23 END 59.6
HIERARCH ESO ISS PBL24 START 90.323
HIERARCH ESO ISS PBL24 END 90.393
HIERARCH ESO ISS PBLA24 START 32.856
HIERARCH ESO ISS PBLA24 END 33.186
HIERARCH ESO ISS PBL34 START 46.598
HIERARCH ESO ISS PBL34 END 46.595
HIERARCH ESO ISS PBLA34 START 359.274
HIERARCH ESO ISS PBLA34 END 0.0
HIERARCH ESO ISS AMBI TAU0 START 0.009028
HIERARCH ESO ISS AMBI TAU0 END 0.009028
HIERARCH ESO ISS AMBI TEMP 14.65
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52