Exposure
- ID
- GRAVI.2022-01-01T04:37:54.650_1
- Header ID
- GRAVI.2022-01-01T04:37:54.650
- Date updated
- 2022-01-01 04:50:35 UTC+0000
- Release date
- 2023-01-01 04:50:34 UTC+0000
- UTC Start
- 2022-01-01 04:37:54.650
- UTC End
- 2022-01-01 04:41:54.650
- MJD Start
- 59580.19299363
- MJD End
- 59580.1957714078
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0041925
- Ambient temperature (°C)
- 14.93
- Seeing (arcsec)
- 1.025
Observation
- ID
- 49137
- Category
- science
- 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
- 36769
- Name
- HD__44458
- RA
- 95.351829
- DEC
- -11.77323
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 89.3030 | 89.0400 | 116.6000 | 116.9000 |
| A0-J2 | 128.7810 | 128.5520 | 93.6000 | 93.9000 |
| A0-J3 | 131.7430 | 131.9190 | 47.9760 | 48.2710 |
| G1-J2 | 58.0990 | 58.1540 | 56.9000 | 57.1000 |
| G1-J3 | 129.3920 | 129.4670 | 7.9920 | 8.4510 |
| J2-J3 | 101.1280 | 100.9890 | 342.3530 | 342.8320 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.222E.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 59580.19299363 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 44458 |
| HIERARCH ESO INS SOBJ NAME | HD__44458 |
| RA | 95.351829 |
| DEC | -11.77323 |
| 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 | 265.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 80 |
| HIERARCH ESO ISS PBL12 START | 89.303 |
| HIERARCH ESO ISS PBL12 END | 89.04 |
| HIERARCH ESO ISS PBLA12 START | 116.6 |
| HIERARCH ESO ISS PBLA12 END | 116.9 |
| HIERARCH ESO ISS PBL13 START | 128.781 |
| HIERARCH ESO ISS PBL13 END | 128.552 |
| HIERARCH ESO ISS PBLA13 START | 93.6 |
| HIERARCH ESO ISS PBLA13 END | 93.9 |
| HIERARCH ESO ISS PBL14 START | 131.743 |
| HIERARCH ESO ISS PBL14 END | 131.919 |
| HIERARCH ESO ISS PBLA14 START | 47.976 |
| HIERARCH ESO ISS PBLA14 END | 48.271 |
| HIERARCH ESO ISS PBL23 START | 58.099 |
| HIERARCH ESO ISS PBL23 END | 58.154 |
| HIERARCH ESO ISS PBLA23 START | 56.9 |
| HIERARCH ESO ISS PBLA23 END | 57.1 |
| HIERARCH ESO ISS PBL24 START | 129.392 |
| HIERARCH ESO ISS PBL24 END | 129.467 |
| HIERARCH ESO ISS PBLA24 START | 7.992 |
| HIERARCH ESO ISS PBLA24 END | 8.451 |
| HIERARCH ESO ISS PBL34 START | 101.128 |
| HIERARCH ESO ISS PBL34 END | 100.989 |
| HIERARCH ESO ISS PBLA34 START | 342.353 |
| HIERARCH ESO ISS PBLA34 END | 342.832 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004198 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004187 |
| HIERARCH ESO ISS AMBI TEMP | 14.93 |
| HIERARCH ESO ISS AMBI FWHM START | 1.04 |
| HIERARCH ESO ISS AMBI FWHM END | 1.01 |