Exposure
ID
GRAVI.2025-04-29T06:38:37.345_1
Header ID
GRAVI.2025-04-29T06:38:37.345
Date updated
2025-04-29 06:50:55 UTC+0000
Release date
2025-04-29 06:38:37 UTC+0000
UTC Start
2025-04-29 06:38:37.345
UTC End
2025-04-29 06:41:17.345
MJD Start
60794.27682112
MJD End
60794.27867297186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005190500000000001
Ambient temperature (°C)
12.68
Seeing (arcsec)
0.44
Observation
ID
67043
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
49851
Name
HD_162415
RA
268.068381
DEC
-31.32825
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 84.8980 85.2270 105.8000 106.1000
A0-J2 122.3090 122.7590 81.2000 81.6000
A0-K0 123.8190 124.1210 58.8710 59.3420
G1-J2 57.2980 57.3750 43.2000 43.6000
G1-K0 90.4780 90.4810 15.5860 15.9780
J2-K0 47.7390 47.7710 341.8300 342.1000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60794.27682112
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.068381
DEC -31.32825
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
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 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 84.898
HIERARCH ESO ISS PBL12 END 85.227
HIERARCH ESO ISS PBLA12 START 105.8
HIERARCH ESO ISS PBLA12 END 106.1
HIERARCH ESO ISS PBL13 START 122.309
HIERARCH ESO ISS PBL13 END 122.759
HIERARCH ESO ISS PBLA13 START 81.2
HIERARCH ESO ISS PBLA13 END 81.6
HIERARCH ESO ISS PBL14 START 123.819
HIERARCH ESO ISS PBL14 END 124.121
HIERARCH ESO ISS PBLA14 START 58.871
HIERARCH ESO ISS PBLA14 END 59.342
HIERARCH ESO ISS PBL23 START 57.298
HIERARCH ESO ISS PBL23 END 57.375
HIERARCH ESO ISS PBLA23 START 43.2
HIERARCH ESO ISS PBLA23 END 43.6
HIERARCH ESO ISS PBL24 START 90.478
HIERARCH ESO ISS PBL24 END 90.481
HIERARCH ESO ISS PBLA24 START 15.586
HIERARCH ESO ISS PBLA24 END 15.978
HIERARCH ESO ISS PBL34 START 47.739
HIERARCH ESO ISS PBL34 END 47.771
HIERARCH ESO ISS PBLA34 START 341.83
HIERARCH ESO ISS PBLA34 END 342.1
HIERARCH ESO ISS AMBI TAU0 START 0.005065
HIERARCH ESO ISS AMBI TAU0 END 0.005316
HIERARCH ESO ISS AMBI TEMP 12.68
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.43