Exposure
ID
GRAVI.2025-05-19T09:19:15.793_1
Header ID
GRAVI.2025-05-19T09:19:15.793
Date updated
2025-05-19 09:35:58 UTC+0000
Release date
2025-05-19 09:19:15 UTC+0000
UTC Start
2025-05-19 09:19:15.793
UTC End
2025-05-19 09:22:27.793
MJD Start
60814.38837723
MJD End
60814.39059945223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.006888999999999999
Ambient temperature (°C)
12.52
Seeing (arcsec)
0.5700000000000001
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 24.9280 24.9220 173.6000 174.2000
A0-D0 22.2800 21.9730 100.0000 100.7000
A0-C1 20.0250 19.9600 152.7740 153.6520
B2-D0 28.3440 28.1720 42.5000 42.7000
B2-C1 9.4440 9.3870 42.4890 42.6230
D0-C1 18.9000 18.7860 222.5520 222.6860
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 60814.38837723
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 24.928
HIERARCH ESO ISS PBL12 END 24.922
HIERARCH ESO ISS PBLA12 START 173.6
HIERARCH ESO ISS PBLA12 END 174.2
HIERARCH ESO ISS PBL13 START 22.28
HIERARCH ESO ISS PBL13 END 21.973
HIERARCH ESO ISS PBLA13 START 100.0
HIERARCH ESO ISS PBLA13 END 100.7
HIERARCH ESO ISS PBL14 START 20.025
HIERARCH ESO ISS PBL14 END 19.96
HIERARCH ESO ISS PBLA14 START 152.774
HIERARCH ESO ISS PBLA14 END 153.652
HIERARCH ESO ISS PBL23 START 28.344
HIERARCH ESO ISS PBL23 END 28.172
HIERARCH ESO ISS PBLA23 START 42.5
HIERARCH ESO ISS PBLA23 END 42.7
HIERARCH ESO ISS PBL24 START 9.444
HIERARCH ESO ISS PBL24 END 9.387
HIERARCH ESO ISS PBLA24 START 42.489
HIERARCH ESO ISS PBLA24 END 42.623
HIERARCH ESO ISS PBL34 START 18.9
HIERARCH ESO ISS PBL34 END 18.786
HIERARCH ESO ISS PBLA34 START 222.552
HIERARCH ESO ISS PBLA34 END 222.686
HIERARCH ESO ISS AMBI TAU0 START 0.006978
HIERARCH ESO ISS AMBI TAU0 END 0.0068
HIERARCH ESO ISS AMBI TEMP 12.52
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.66