Exposure
ID
GRAVI.2025-05-20T01:57:04.775_1
Header ID
GRAVI.2025-05-20T01:57:04.775
Date updated
2025-05-20 02:10:53 UTC+0000
Release date
2025-05-20 01:57:04 UTC+0000
UTC Start
2025-05-20 01:57:04.775
UTC End
2025-05-20 02:00:16.775
MJD Start
60815.08130527
MJD End
60815.08352749223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004168
Ambient temperature (°C)
13.68
Seeing (arcsec)
0.635
Observation
ID
66034
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
49155
Name
HD_152636
RA
253.988066
DEC
-33.50683
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 18.5920 18.7800 124.5000 124.6000
A0-D0 26.4680 26.5840 28.4000 29.4000
A0-C1 14.4240 14.6570 87.0960 87.6500
B2-D0 33.9240 33.9230 355.4000 355.9000
B2-C1 11.3000 11.3000 355.3550 355.8850
D0-C1 22.6230 22.6230 175.3950 175.9260
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 60815.08130527
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.988066
DEC -33.50683
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 18.592
HIERARCH ESO ISS PBL12 END 18.78
HIERARCH ESO ISS PBLA12 START 124.5
HIERARCH ESO ISS PBLA12 END 124.6
HIERARCH ESO ISS PBL13 START 26.468
HIERARCH ESO ISS PBL13 END 26.584
HIERARCH ESO ISS PBLA13 START 28.4
HIERARCH ESO ISS PBLA13 END 29.4
HIERARCH ESO ISS PBL14 START 14.424
HIERARCH ESO ISS PBL14 END 14.657
HIERARCH ESO ISS PBLA14 START 87.096
HIERARCH ESO ISS PBLA14 END 87.65
HIERARCH ESO ISS PBL23 START 33.924
HIERARCH ESO ISS PBL23 END 33.923
HIERARCH ESO ISS PBLA23 START 355.4
HIERARCH ESO ISS PBLA23 END 355.9
HIERARCH ESO ISS PBL24 START 11.3
HIERARCH ESO ISS PBL24 END 11.3
HIERARCH ESO ISS PBLA24 START 355.355
HIERARCH ESO ISS PBLA24 END 355.885
HIERARCH ESO ISS PBL34 START 22.623
HIERARCH ESO ISS PBL34 END 22.623
HIERARCH ESO ISS PBLA34 START 175.395
HIERARCH ESO ISS PBLA34 END 175.926
HIERARCH ESO ISS AMBI TAU0 START 0.005089
HIERARCH ESO ISS AMBI TAU0 END 0.003247
HIERARCH ESO ISS AMBI TEMP 13.68
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.68