Exposure
ID
GRAVI.2025-02-25T04:06:08.532_1
Header ID
GRAVI.2025-02-25T04:06:08.532
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2026-02-25 04:20:55 UTC+0000
UTC Start
2025-02-25 04:06:08.532
UTC End
2025-02-25 04:09:20.532
MJD Start
60731.17093208
MJD End
60731.173154302225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0048525
Ambient temperature (°C)
15.71
Seeing (arcsec)
1.45
Observation
ID
64839
Category
science
Program ID
114.27NF.001
Program Title
UNVELING 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
48284
Name
h01_Pup
RA
122.836605
DEC
-39.61853
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 89.5040 89.3730 130.4000 131.1000
A0-J2 123.6630 123.2110 108.2000 108.9000
A0-K0 118.3060 117.6900 85.8060 86.3780
G1-J2 53.0100 52.7270 68.6000 69.0000
G1-K0 83.2840 83.0170 36.7830 37.1310
J2-K0 47.3250 47.3230 0.6410 1.0630
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60731.17093208
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME h01 Pup
HIERARCH ESO INS SOBJ NAME h01_Pup
RA 122.836605
DEC -39.61853
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 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 89.504
HIERARCH ESO ISS PBL12 END 89.373
HIERARCH ESO ISS PBLA12 START 130.4
HIERARCH ESO ISS PBLA12 END 131.1
HIERARCH ESO ISS PBL13 START 123.663
HIERARCH ESO ISS PBL13 END 123.211
HIERARCH ESO ISS PBLA13 START 108.2
HIERARCH ESO ISS PBLA13 END 108.9
HIERARCH ESO ISS PBL14 START 118.306
HIERARCH ESO ISS PBL14 END 117.69
HIERARCH ESO ISS PBLA14 START 85.806
HIERARCH ESO ISS PBLA14 END 86.378
HIERARCH ESO ISS PBL23 START 53.01
HIERARCH ESO ISS PBL23 END 52.727
HIERARCH ESO ISS PBLA23 START 68.6
HIERARCH ESO ISS PBLA23 END 69.0
HIERARCH ESO ISS PBL24 START 83.284
HIERARCH ESO ISS PBL24 END 83.017
HIERARCH ESO ISS PBLA24 START 36.783
HIERARCH ESO ISS PBLA24 END 37.131
HIERARCH ESO ISS PBL34 START 47.325
HIERARCH ESO ISS PBL34 END 47.323
HIERARCH ESO ISS PBLA34 START 0.641
HIERARCH ESO ISS PBLA34 END 1.063
HIERARCH ESO ISS AMBI TAU0 START 0.005175
HIERARCH ESO ISS AMBI TAU0 END 0.00453
HIERARCH ESO ISS AMBI TEMP 15.71
HIERARCH ESO ISS AMBI FWHM START 1.43
HIERARCH ESO ISS AMBI FWHM END 1.47