Exposure
ID
GRAVI.2025-08-02T05:35:33.298_1
Header ID
GRAVI.2025-08-02T05:35:33.298
Date updated
2025-08-02 05:45:55 UTC+0000
Release date
2025-08-02 05:35:33 UTC+0000
UTC Start
2025-08-02 05:35:33.298
UTC End
2025-08-02 05:38:13.298
MJD Start
60889.23302428
MJD End
60889.23487613186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0036899999999999997
Ambient temperature (°C)
10.29
Seeing (arcsec)
1.1549999999999998
Observation
ID
68990
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
51322
Name
HD_162415
RA
268.068378
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 77.4940 77.2860 155.9000 156.6000
A0-J2 93.0160 92.2750 131.3000 132.1000
A0-K0 83.2990 82.2410 100.2790 100.8020
G1-J2 39.3050 38.8420 76.3000 76.5000
G1-K0 75.1450 74.7710 41.9920 42.0620
J2-K0 48.0770 48.0560 14.5620 14.8530
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 60889.23302428
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.068378
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 77.494
HIERARCH ESO ISS PBL12 END 77.286
HIERARCH ESO ISS PBLA12 START 155.9
HIERARCH ESO ISS PBLA12 END 156.6
HIERARCH ESO ISS PBL13 START 93.016
HIERARCH ESO ISS PBL13 END 92.275
HIERARCH ESO ISS PBLA13 START 131.3
HIERARCH ESO ISS PBLA13 END 132.1
HIERARCH ESO ISS PBL14 START 83.299
HIERARCH ESO ISS PBL14 END 82.241
HIERARCH ESO ISS PBLA14 START 100.279
HIERARCH ESO ISS PBLA14 END 100.802
HIERARCH ESO ISS PBL23 START 39.305
HIERARCH ESO ISS PBL23 END 38.842
HIERARCH ESO ISS PBLA23 START 76.3
HIERARCH ESO ISS PBLA23 END 76.5
HIERARCH ESO ISS PBL24 START 75.145
HIERARCH ESO ISS PBL24 END 74.771
HIERARCH ESO ISS PBLA24 START 41.992
HIERARCH ESO ISS PBLA24 END 42.062
HIERARCH ESO ISS PBL34 START 48.077
HIERARCH ESO ISS PBL34 END 48.056
HIERARCH ESO ISS PBLA34 START 14.562
HIERARCH ESO ISS PBLA34 END 14.853
HIERARCH ESO ISS AMBI TAU0 START 0.003531
HIERARCH ESO ISS AMBI TAU0 END 0.003849
HIERARCH ESO ISS AMBI TEMP 10.29
HIERARCH ESO ISS AMBI FWHM START 1.14
HIERARCH ESO ISS AMBI FWHM END 1.17