Exposure
- ID
- GRAVI.2025-03-02T08:19:07.062_1
- Header ID
- GRAVI.2025-03-02T08:19:07.062
- Date updated
- 2025-03-02 08:35:44 UTC+0000
- Release date
- 2026-03-02 08:35:44 UTC+0000
- UTC Start
- 2025-03-02 08:19:07.062
- UTC End
- 2025-03-02 08:26:07.062
- MJD Start
- 60736.34660951
- MJD End
- 60736.35147062111
- Exposure time (s)
- 420.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002904
- Ambient temperature (°C)
- 14.68
- Seeing (arcsec)
- 1.24
Observation
- ID
- 64934
- Category
- science
- Program ID
- 114.27F8.001
- Program Title
- 3D ORBIT RECONSTRUCTION OF EVOLVED MASSIVE BINARY SYSTEMS
- Program Type
- Normal
- PI / COI
- MAHY / SANA / FROST / LANTHERMANN / LE BOUQUIN / GOSSET / HUTSEMEKERS
Target
- ID
- 43480
- Name
- Cl*_Westerlund_1_W_2
- RA
- 251.778061
- DEC
- -45.87478
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 74.6330 | 75.7970 | 89.2000 | 90.6000 |
| A0-J2 | 115.8340 | 117.0070 | 63.9000 | 65.6000 |
| A0-K0 | 123.4880 | 124.0180 | 43.8240 | 45.4410 |
| G1-J2 | 57.9080 | 57.9770 | 30.6000 | 32.0000 |
| G1-K0 | 88.7580 | 88.7040 | 7.0470 | 8.1530 |
| J2-K0 | 42.4880 | 42.7230 | 334.1100 | 334.8200 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.27F8.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60736.34660951 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | Cl Westerlund 1 W 243 |
| HIERARCH ESO INS SOBJ NAME | Cl*_Westerlund_1_W_2 |
| RA | 251.778061 |
| DEC | -45.87478 |
| 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 | K0 |
| EXPTIME | 453.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 140 |
| HIERARCH ESO ISS PBL12 START | 74.633 |
| HIERARCH ESO ISS PBL12 END | 75.797 |
| HIERARCH ESO ISS PBLA12 START | 89.2 |
| HIERARCH ESO ISS PBLA12 END | 90.6 |
| HIERARCH ESO ISS PBL13 START | 115.834 |
| HIERARCH ESO ISS PBL13 END | 117.007 |
| HIERARCH ESO ISS PBLA13 START | 63.9 |
| HIERARCH ESO ISS PBLA13 END | 65.6 |
| HIERARCH ESO ISS PBL14 START | 123.488 |
| HIERARCH ESO ISS PBL14 END | 124.018 |
| HIERARCH ESO ISS PBLA14 START | 43.824 |
| HIERARCH ESO ISS PBLA14 END | 45.441 |
| HIERARCH ESO ISS PBL23 START | 57.908 |
| HIERARCH ESO ISS PBL23 END | 57.977 |
| HIERARCH ESO ISS PBLA23 START | 30.6 |
| HIERARCH ESO ISS PBLA23 END | 32.0 |
| HIERARCH ESO ISS PBL24 START | 88.758 |
| HIERARCH ESO ISS PBL24 END | 88.704 |
| HIERARCH ESO ISS PBLA24 START | 7.047 |
| HIERARCH ESO ISS PBLA24 END | 8.153 |
| HIERARCH ESO ISS PBL34 START | 42.488 |
| HIERARCH ESO ISS PBL34 END | 42.723 |
| HIERARCH ESO ISS PBLA34 START | 334.11 |
| HIERARCH ESO ISS PBLA34 END | 334.82 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002676 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003132 |
| HIERARCH ESO ISS AMBI TEMP | 14.68 |
| HIERARCH ESO ISS AMBI FWHM START | 1.27 |
| HIERARCH ESO ISS AMBI FWHM END | 1.21 |