Exposure
- ID
- GRAVI.2023-07-01T05:36:36.353_2
- Header ID
- GRAVI.2023-07-01T05:36:36.353
- Date updated
- 2023-07-01 05:51:12 UTC+0000
- Release date
- 2024-07-01 05:51:12 UTC+0000
- UTC Start
- 2023-07-01 05:36:36.353
- UTC End
- 2023-07-01 05:42:36.353
- MJD Start
- 60126.23375409
- MJD End
- 60126.2379207567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0125625
- Ambient temperature (°C)
- 18.21
- Seeing (arcsec)
- 0.545
Observation
- ID
- 56080
- Category
- science
- Program ID
- 111.24H1.003
- 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 | 54.4610 | 54.2340 | 35.5000 | 35.9000 |
| U1-U3 | 97.6910 | 97.1650 | 41.8000 | 42.2000 |
| U1-U4 | 119.9510 | 118.7240 | 71.1550 | 71.7480 |
| U2-U3 | 43.9740 | 43.6710 | 49.6000 | 50.1000 |
| U2-U4 | 82.1260 | 81.2240 | 93.9220 | 94.7600 |
| U3-U4 | 59.2340 | 58.8210 | 125.1480 | 126.2250 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60126.23375409 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416934 |
| DEC | -29.00727 |
| 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 | 54.461 |
| HIERARCH ESO ISS PBL12 END | 54.234 |
| HIERARCH ESO ISS PBLA12 START | 35.5 |
| HIERARCH ESO ISS PBLA12 END | 35.9 |
| HIERARCH ESO ISS PBL13 START | 97.691 |
| HIERARCH ESO ISS PBL13 END | 97.165 |
| HIERARCH ESO ISS PBLA13 START | 41.8 |
| HIERARCH ESO ISS PBLA13 END | 42.2 |
| HIERARCH ESO ISS PBL14 START | 119.951 |
| HIERARCH ESO ISS PBL14 END | 118.724 |
| HIERARCH ESO ISS PBLA14 START | 71.155 |
| HIERARCH ESO ISS PBLA14 END | 71.748 |
| HIERARCH ESO ISS PBL23 START | 43.974 |
| HIERARCH ESO ISS PBL23 END | 43.671 |
| HIERARCH ESO ISS PBLA23 START | 49.6 |
| HIERARCH ESO ISS PBLA23 END | 50.1 |
| HIERARCH ESO ISS PBL24 START | 82.126 |
| HIERARCH ESO ISS PBL24 END | 81.224 |
| HIERARCH ESO ISS PBLA24 START | 93.922 |
| HIERARCH ESO ISS PBLA24 END | 94.76 |
| HIERARCH ESO ISS PBL34 START | 59.234 |
| HIERARCH ESO ISS PBL34 END | 58.821 |
| HIERARCH ESO ISS PBLA34 START | 125.148 |
| HIERARCH ESO ISS PBLA34 END | 126.225 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.01301 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.012115 |
| HIERARCH ESO ISS AMBI TEMP | 18.21 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |