Exposure
ID
GRAVI.2025-01-08T03:41:09.702_1
Header ID
GRAVI.2025-01-08T03:41:09.702
Date updated
2025-01-08 03:55:43 UTC+0000
Release date
2025-01-08 03:41:09 UTC+0000
UTC Start
2025-01-08 03:41:09.702
UTC End
2025-01-08 03:47:09.702
MJD Start
60683.15358451
MJD End
60683.157751176666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.005690000000000001
Ambient temperature (°C)
15.07
Seeing (arcsec)
0.61
Observation
ID
63109
Category
calibrator
Program ID
114.27PY.001
Program Title
IS THE STELLAR QUADRUPLE HD 74438 A CANDIDATE PROGENITOR OF SN IA?
Program Type
Normal
PI / COI
MERLE / JORISSEN / LIBERT / MÉRAND / PALADINI / VAN ECK
Target
ID
47019
Name
HD_72518
RA
127.776733
DEC
-51.77415
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 38.4600 38.8420 130.6000 131.3000
A0-J2 119.5630 120.3050 63.6000 65.0000
A0-J6 162.0210 161.8830 8.6500 9.5950
B5-J2 110.3220 110.5490 44.9000 46.3000
B5-J6 185.2510 185.2770 358.5010 359.3250
J2-J6 135.3260 136.3520 322.3040 322.9850
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27PY.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60683.15358451
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 72518
HIERARCH ESO INS SOBJ NAME HD_72518
RA 127.776733
DEC -51.77415
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 379.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 36
HIERARCH ESO ISS PBL12 START 38.46
HIERARCH ESO ISS PBL12 END 38.842
HIERARCH ESO ISS PBLA12 START 130.6
HIERARCH ESO ISS PBLA12 END 131.3
HIERARCH ESO ISS PBL13 START 119.563
HIERARCH ESO ISS PBL13 END 120.305
HIERARCH ESO ISS PBLA13 START 63.6
HIERARCH ESO ISS PBLA13 END 65.0
HIERARCH ESO ISS PBL14 START 162.021
HIERARCH ESO ISS PBL14 END 161.883
HIERARCH ESO ISS PBLA14 START 8.65
HIERARCH ESO ISS PBLA14 END 9.595
HIERARCH ESO ISS PBL23 START 110.322
HIERARCH ESO ISS PBL23 END 110.549
HIERARCH ESO ISS PBLA23 START 44.9
HIERARCH ESO ISS PBLA23 END 46.3
HIERARCH ESO ISS PBL24 START 185.251
HIERARCH ESO ISS PBL24 END 185.277
HIERARCH ESO ISS PBLA24 START 358.501
HIERARCH ESO ISS PBLA24 END 359.325
HIERARCH ESO ISS PBL34 START 135.326
HIERARCH ESO ISS PBL34 END 136.352
HIERARCH ESO ISS PBLA34 START 322.304
HIERARCH ESO ISS PBLA34 END 322.985
HIERARCH ESO ISS AMBI TAU0 START 0.005555
HIERARCH ESO ISS AMBI TAU0 END 0.005825
HIERARCH ESO ISS AMBI TEMP 15.07
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.61