Exposure
- ID
- GRAVI.2021-12-31T04:13:42.670_1
- Header ID
- GRAVI.2021-12-31T04:13:42.670
- Date updated
- 2021-12-31 04:26:14 UTC+0000
- Release date
- 2021-12-31 04:13:42 UTC+0000
- UTC Start
- 2021-12-31 04:13:42.670
- UTC End
- 2021-12-31 04:16:22.670
- MJD Start
- 59579.17618831
- MJD End
- 59579.1780401619
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0054965
- Ambient temperature (°C)
- 14.09
- Seeing (arcsec)
- 0.475
Observation
- ID
- 49126
- Category
- calibrator
- Program ID
- 108.222E.001
- Program Title
- THE ORIGIN OF BE STARS AND THE ELUSIVE MASSIVE HELIUM STARS
- Program Type
- Normal
- PI / COI
- SHENAR/ BODENSTEINER/ SANA/ DSILVA/ LANGER/ SCHÜRMANN/ OSKINOVA/ MAHY/ LANTHERMANN/ BORDIER/ FROST/ MARCHANT/ GILKIS/ KLUSKA
Target
- ID
- 36761
- Name
- HD_44749
- RA
- 95.460983
- DEC
- -34.76306
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 89.9220 | 90.0150 | 114.1000 | 114.5000 |
| A0-J2 | 129.0810 | 129.1400 | 91.2000 | 91.6000 |
| A0-J3 | 131.8390 | 131.7440 | 45.0250 | 45.3990 |
| G1-J2 | 58.0940 | 58.0590 | 54.0000 | 54.4000 |
| G1-J3 | 130.4500 | 130.4290 | 4.9320 | 5.2430 |
| J2-J3 | 102.2860 | 102.3530 | 339.5210 | 339.8340 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.222E.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 59579.17618831 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 44749 |
| HIERARCH ESO INS SOBJ NAME | HD_44749 |
| RA | 95.460983 |
| DEC | -34.76306 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| 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 | J3 |
| EXPTIME | 176.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 16 |
| HIERARCH ESO ISS PBL12 START | 89.922 |
| HIERARCH ESO ISS PBL12 END | 90.015 |
| HIERARCH ESO ISS PBLA12 START | 114.1 |
| HIERARCH ESO ISS PBLA12 END | 114.5 |
| HIERARCH ESO ISS PBL13 START | 129.081 |
| HIERARCH ESO ISS PBL13 END | 129.14 |
| HIERARCH ESO ISS PBLA13 START | 91.2 |
| HIERARCH ESO ISS PBLA13 END | 91.6 |
| HIERARCH ESO ISS PBL14 START | 131.839 |
| HIERARCH ESO ISS PBL14 END | 131.744 |
| HIERARCH ESO ISS PBLA14 START | 45.025 |
| HIERARCH ESO ISS PBLA14 END | 45.399 |
| HIERARCH ESO ISS PBL23 START | 58.094 |
| HIERARCH ESO ISS PBL23 END | 58.059 |
| HIERARCH ESO ISS PBLA23 START | 54.0 |
| HIERARCH ESO ISS PBLA23 END | 54.4 |
| HIERARCH ESO ISS PBL24 START | 130.45 |
| HIERARCH ESO ISS PBL24 END | 130.429 |
| HIERARCH ESO ISS PBLA24 START | 4.932 |
| HIERARCH ESO ISS PBLA24 END | 5.243 |
| HIERARCH ESO ISS PBL34 START | 102.286 |
| HIERARCH ESO ISS PBL34 END | 102.353 |
| HIERARCH ESO ISS PBLA34 START | 339.521 |
| HIERARCH ESO ISS PBLA34 END | 339.834 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005459 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005534 |
| HIERARCH ESO ISS AMBI TEMP | 14.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |