Exposure
ID
GRAVI.2025-05-26T04:16:05.275_1
Header ID
GRAVI.2025-05-26T04:16:05.275
Date updated
2025-05-26 04:25:56 UTC+0000
Release date
2025-05-26 04:16:05 UTC+0000
UTC Start
2025-05-26 04:16:05.275
UTC End
2025-05-26 04:18:45.275
MJD Start
60821.17783883
MJD End
60821.179690681856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003771
Ambient temperature (°C)
11.92
Seeing (arcsec)
0.64
Observation
ID
67585
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
50264
Name
HD_162415
RA
268.06838
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 80.0300 80.4840 101.9000 102.2000
A0-J2 115.6810 116.2940 75.8000 76.3000
A0-K0 119.4020 119.8050 52.7040 53.2370
G1-J2 56.1700 56.2720 37.1000 37.6000
G1-K0 90.4040 90.4120 10.6320 11.0440
J2-K0 47.2580 47.3040 338.6960 338.9390
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 60821.17783883
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.06838
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 80.03
HIERARCH ESO ISS PBL12 END 80.484
HIERARCH ESO ISS PBLA12 START 101.9
HIERARCH ESO ISS PBLA12 END 102.2
HIERARCH ESO ISS PBL13 START 115.681
HIERARCH ESO ISS PBL13 END 116.294
HIERARCH ESO ISS PBLA13 START 75.8
HIERARCH ESO ISS PBLA13 END 76.3
HIERARCH ESO ISS PBL14 START 119.402
HIERARCH ESO ISS PBL14 END 119.805
HIERARCH ESO ISS PBLA14 START 52.704
HIERARCH ESO ISS PBLA14 END 53.237
HIERARCH ESO ISS PBL23 START 56.17
HIERARCH ESO ISS PBL23 END 56.272
HIERARCH ESO ISS PBLA23 START 37.1
HIERARCH ESO ISS PBLA23 END 37.6
HIERARCH ESO ISS PBL24 START 90.404
HIERARCH ESO ISS PBL24 END 90.412
HIERARCH ESO ISS PBLA24 START 10.632
HIERARCH ESO ISS PBLA24 END 11.044
HIERARCH ESO ISS PBL34 START 47.258
HIERARCH ESO ISS PBL34 END 47.304
HIERARCH ESO ISS PBLA34 START 338.696
HIERARCH ESO ISS PBLA34 END 338.939
HIERARCH ESO ISS AMBI TAU0 START 0.00365
HIERARCH ESO ISS AMBI TAU0 END 0.003892
HIERARCH ESO ISS AMBI TEMP 11.92
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.66