Exposure
ID
GRAVI.2025-05-25T06:57:46.569_1
Header ID
GRAVI.2025-05-25T06:57:46.569
Date updated
2025-05-25 07:11:20 UTC+0000
Release date
2026-05-25 07:11:20 UTC+0000
UTC Start
2025-05-25 06:57:46.569
UTC End
2025-05-25 07:04:26.569
MJD Start
60820.29012233
MJD End
60820.29475195963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0054655
Ambient temperature (°C)
12.79
Seeing (arcsec)
0.46499999999999997
Observation
ID
67561
Category
science
Program ID
115.285N.001
Program Title
DO TERTIARY COMPANIONS AFFECT THE FORMATION AND EVOLUTION OF MASSIVE OVERCONTACT BINARY SYSTEMS?
Program Type
Normal
PI / COI
ABDUL-MASIH / FROST / DE MINK / TOONEN / MAHY / ESCORZA
Target
ID
50250
Name
Herschel36
RA
270.918013
DEC
-24.37858
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.0530 67.8530 274.0000 274.7000
K0-D0 95.6150 95.3600 253.4000 254.0000
K0-J3 56.5080 56.4760 335.4370 336.2270
G2-D0 39.9370 39.8990 216.4000 217.1000
G2-J3 64.3930 64.3080 43.5890 44.2280
D0-J3 104.1390 104.0160 40.8560 41.4960
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285N.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60820.29012233
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME NAME Her 36SE
HIERARCH ESO INS SOBJ NAME Herschel36
RA 270.918013
DEC -24.37858
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 68.053
HIERARCH ESO ISS PBL12 END 67.853
HIERARCH ESO ISS PBLA12 START 274.0
HIERARCH ESO ISS PBLA12 END 274.7
HIERARCH ESO ISS PBL13 START 95.615
HIERARCH ESO ISS PBL13 END 95.36
HIERARCH ESO ISS PBLA13 START 253.4
HIERARCH ESO ISS PBLA13 END 254.0
HIERARCH ESO ISS PBL14 START 56.508
HIERARCH ESO ISS PBL14 END 56.476
HIERARCH ESO ISS PBLA14 START 335.437
HIERARCH ESO ISS PBLA14 END 336.227
HIERARCH ESO ISS PBL23 START 39.937
HIERARCH ESO ISS PBL23 END 39.899
HIERARCH ESO ISS PBLA23 START 216.4
HIERARCH ESO ISS PBLA23 END 217.1
HIERARCH ESO ISS PBL24 START 64.393
HIERARCH ESO ISS PBL24 END 64.308
HIERARCH ESO ISS PBLA24 START 43.589
HIERARCH ESO ISS PBLA24 END 44.228
HIERARCH ESO ISS PBL34 START 104.139
HIERARCH ESO ISS PBL34 END 104.016
HIERARCH ESO ISS PBLA34 START 40.856
HIERARCH ESO ISS PBLA34 END 41.496
HIERARCH ESO ISS AMBI TAU0 START 0.00554
HIERARCH ESO ISS AMBI TAU0 END 0.005391
HIERARCH ESO ISS AMBI TEMP 12.79
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.5