Exposure
ID
GRAVI.2025-04-28T06:31:09.773_1
Header ID
GRAVI.2025-04-28T06:31:09.773
Date updated
2025-04-28 06:45:44 UTC+0000
Release date
2026-04-28 06:45:44 UTC+0000
UTC Start
2025-04-28 06:31:09.773
UTC End
2025-04-28 06:37:49.773
MJD Start
60793.27164089
MJD End
60793.27627051963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0040915
Ambient temperature (°C)
12.78
Seeing (arcsec)
0.38
Observation
ID
67029
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
49837
Name
Herschel36
RA
270.915573
DEC
-24.37858
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 83.1930 84.1070 106.4000 106.9000
A0-J2 117.2270 118.6690 81.0000 81.8000
A0-K0 118.1530 119.2710 57.3010 58.3580
G1-J2 55.1250 55.4580 40.7000 41.8000
G1-K0 89.4650 89.5490 12.6630 13.6090
J2-K0 48.3690 48.4150 340.2330 340.7960
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 60793.27164089
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME NAME Her 36SE
HIERARCH ESO INS SOBJ NAME Herschel36
RA 270.915573
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 83.193
HIERARCH ESO ISS PBL12 END 84.107
HIERARCH ESO ISS PBLA12 START 106.4
HIERARCH ESO ISS PBLA12 END 106.9
HIERARCH ESO ISS PBL13 START 117.227
HIERARCH ESO ISS PBL13 END 118.669
HIERARCH ESO ISS PBLA13 START 81.0
HIERARCH ESO ISS PBLA13 END 81.8
HIERARCH ESO ISS PBL14 START 118.153
HIERARCH ESO ISS PBL14 END 119.271
HIERARCH ESO ISS PBLA14 START 57.301
HIERARCH ESO ISS PBLA14 END 58.358
HIERARCH ESO ISS PBL23 START 55.125
HIERARCH ESO ISS PBL23 END 55.458
HIERARCH ESO ISS PBLA23 START 40.7
HIERARCH ESO ISS PBLA23 END 41.8
HIERARCH ESO ISS PBL24 START 89.465
HIERARCH ESO ISS PBL24 END 89.549
HIERARCH ESO ISS PBLA24 START 12.663
HIERARCH ESO ISS PBLA24 END 13.609
HIERARCH ESO ISS PBL34 START 48.369
HIERARCH ESO ISS PBL34 END 48.415
HIERARCH ESO ISS PBLA34 START 340.233
HIERARCH ESO ISS PBLA34 END 340.796
HIERARCH ESO ISS AMBI TAU0 START 0.004335
HIERARCH ESO ISS AMBI TAU0 END 0.003848
HIERARCH ESO ISS AMBI TEMP 12.78
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.4