Exposure
ID
GRAVI.2025-06-24T04:58:52.135_1
Header ID
GRAVI.2025-06-24T04:58:52.135
Date updated
2025-06-24 05:10:51 UTC+0000
Release date
2025-06-24 04:58:52 UTC+0000
UTC Start
2025-06-24 04:58:52.135
UTC End
2025-06-24 05:02:04.135
MJD Start
60850.20754786
MJD End
60850.20977008223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0048295000000000005
Ambient temperature (°C)
11.21
Seeing (arcsec)
0.46
Observation
ID
68225
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
50708
Name
HD_152636
RA
253.988065
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 25.2670 25.2600 154.2000 154.7000
A0-D0 29.8490 29.6920 82.9000 83.4000
A0-C1 22.1330 22.0830 129.0130 129.6320
B2-D0 32.3390 32.2580 35.2000 35.5000
B2-C1 10.7730 10.7460 35.1100 35.4190
D0-C1 21.5660 21.5120 215.1750 215.4840
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 60850.20754786
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.988065
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 25.267
HIERARCH ESO ISS PBL12 END 25.26
HIERARCH ESO ISS PBLA12 START 154.2
HIERARCH ESO ISS PBLA12 END 154.7
HIERARCH ESO ISS PBL13 START 29.849
HIERARCH ESO ISS PBL13 END 29.692
HIERARCH ESO ISS PBLA13 START 82.9
HIERARCH ESO ISS PBLA13 END 83.4
HIERARCH ESO ISS PBL14 START 22.133
HIERARCH ESO ISS PBL14 END 22.083
HIERARCH ESO ISS PBLA14 START 129.013
HIERARCH ESO ISS PBLA14 END 129.632
HIERARCH ESO ISS PBL23 START 32.339
HIERARCH ESO ISS PBL23 END 32.258
HIERARCH ESO ISS PBLA23 START 35.2
HIERARCH ESO ISS PBLA23 END 35.5
HIERARCH ESO ISS PBL24 START 10.773
HIERARCH ESO ISS PBL24 END 10.746
HIERARCH ESO ISS PBLA24 START 35.11
HIERARCH ESO ISS PBLA24 END 35.419
HIERARCH ESO ISS PBL34 START 21.566
HIERARCH ESO ISS PBL34 END 21.512
HIERARCH ESO ISS PBLA34 START 215.175
HIERARCH ESO ISS PBLA34 END 215.484
HIERARCH ESO ISS AMBI TAU0 START 0.004474
HIERARCH ESO ISS AMBI TAU0 END 0.005185
HIERARCH ESO ISS AMBI TEMP 11.21
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46