Exposure
- ID
- GRAVI.2023-06-04T06:26:54.040_2
- Header ID
- GRAVI.2023-06-04T06:26:54.040
- Date updated
- 2023-06-04 06:40:28 UTC+0000
- Release date
- 2024-06-04 06:40:28 UTC+0000
- UTC Start
- 2023-06-04 06:26:54.040
- UTC End
- 2023-06-04 06:32:54.040
- MJD Start
- 60099.26868102
- MJD End
- 60099.2728476867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0068475
- Ambient temperature (°C)
- 13.82
- Seeing (arcsec)
- 0.625
Observation
- ID
- 55616
- Category
- science
- Program ID
- 111.24H1.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.8730 | 55.7550 | 30.9000 | 31.5000 |
| U1-U3 | 100.9720 | 100.7010 | 37.3000 | 37.8000 |
| U1-U4 | 127.5950 | 126.9760 | 65.7310 | 66.3930 |
| U2-U3 | 45.8680 | 45.7120 | 45.0000 | 45.6000 |
| U2-U4 | 87.7650 | 87.3140 | 87.0680 | 87.8410 |
| U3-U4 | 61.8610 | 61.6540 | 116.8350 | 117.7190 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60099.26868102 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416752 |
| DEC | -29.00711 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 55.873 |
| HIERARCH ESO ISS PBL12 END | 55.755 |
| HIERARCH ESO ISS PBLA12 START | 30.9 |
| HIERARCH ESO ISS PBLA12 END | 31.5 |
| HIERARCH ESO ISS PBL13 START | 100.972 |
| HIERARCH ESO ISS PBL13 END | 100.701 |
| HIERARCH ESO ISS PBLA13 START | 37.3 |
| HIERARCH ESO ISS PBLA13 END | 37.8 |
| HIERARCH ESO ISS PBL14 START | 127.595 |
| HIERARCH ESO ISS PBL14 END | 126.976 |
| HIERARCH ESO ISS PBLA14 START | 65.731 |
| HIERARCH ESO ISS PBLA14 END | 66.393 |
| HIERARCH ESO ISS PBL23 START | 45.868 |
| HIERARCH ESO ISS PBL23 END | 45.712 |
| HIERARCH ESO ISS PBLA23 START | 45.0 |
| HIERARCH ESO ISS PBLA23 END | 45.6 |
| HIERARCH ESO ISS PBL24 START | 87.765 |
| HIERARCH ESO ISS PBL24 END | 87.314 |
| HIERARCH ESO ISS PBLA24 START | 87.068 |
| HIERARCH ESO ISS PBLA24 END | 87.841 |
| HIERARCH ESO ISS PBL34 START | 61.861 |
| HIERARCH ESO ISS PBL34 END | 61.654 |
| HIERARCH ESO ISS PBLA34 START | 116.835 |
| HIERARCH ESO ISS PBLA34 END | 117.719 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005922 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007773 |
| HIERARCH ESO ISS AMBI TEMP | 13.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |