Exposure
ID
GRAVI.2025-05-20T02:29:34.858_1
Header ID
GRAVI.2025-05-20T02:29:34.858
Date updated
2025-05-20 02:40:49 UTC+0000
Release date
2026-05-20 02:40:48 UTC+0000
UTC Start
2025-05-20 02:29:34.858
UTC End
2025-05-20 02:32:46.858
MJD Start
60815.10387567
MJD End
60815.106097892225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0036605
Ambient temperature (°C)
13.83
Seeing (arcsec)
0.55
Observation
ID
66055
Category
science
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
49174
Name
AH_Sco
RA
257.818267
DEC
-32.32521
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 19.6440 19.8200 125.9000 126.0000
A0-D0 26.7260 26.8590 33.2000 34.2000
A0-C1 15.4900 15.7140 90.8690 91.3490
B2-D0 33.8930 33.8920 357.9000 358.4000
B2-C1 11.2900 11.2900 357.8320 358.3660
D0-C1 22.6030 22.6020 177.8750 178.4100
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60815.10387567
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V AH Sco
HIERARCH ESO INS SOBJ NAME AH_Sco
RA 257.818267
DEC -32.32521
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 19.644
HIERARCH ESO ISS PBL12 END 19.82
HIERARCH ESO ISS PBLA12 START 125.9
HIERARCH ESO ISS PBLA12 END 126.0
HIERARCH ESO ISS PBL13 START 26.726
HIERARCH ESO ISS PBL13 END 26.859
HIERARCH ESO ISS PBLA13 START 33.2
HIERARCH ESO ISS PBLA13 END 34.2
HIERARCH ESO ISS PBL14 START 15.49
HIERARCH ESO ISS PBL14 END 15.714
HIERARCH ESO ISS PBLA14 START 90.869
HIERARCH ESO ISS PBLA14 END 91.349
HIERARCH ESO ISS PBL23 START 33.893
HIERARCH ESO ISS PBL23 END 33.892
HIERARCH ESO ISS PBLA23 START 357.9
HIERARCH ESO ISS PBLA23 END 358.4
HIERARCH ESO ISS PBL24 START 11.29
HIERARCH ESO ISS PBL24 END 11.29
HIERARCH ESO ISS PBLA24 START 357.832
HIERARCH ESO ISS PBLA24 END 358.366
HIERARCH ESO ISS PBL34 START 22.603
HIERARCH ESO ISS PBL34 END 22.602
HIERARCH ESO ISS PBLA34 START 177.875
HIERARCH ESO ISS PBLA34 END 178.41
HIERARCH ESO ISS AMBI TAU0 START 0.002639
HIERARCH ESO ISS AMBI TAU0 END 0.004682
HIERARCH ESO ISS AMBI TEMP 13.83
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.46