Exposure
- ID
- GRAVI.2023-06-02T03:37:13.754_2
- Header ID
- GRAVI.2023-06-02T03:37:13.754
- Date updated
- 2023-06-02 03:52:02 UTC+0000
- Release date
- 2024-06-02 03:52:02 UTC+0000
- UTC Start
- 2023-06-02 03:37:13.754
- UTC End
- 2023-06-02 03:43:13.754
- MJD Start
- 60097.15085364
- MJD End
- 60097.1550203067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007126
- Ambient temperature (°C)
- 16.38
- Seeing (arcsec)
- 0.425
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 | 56.3490 | 56.3700 | 9.7000 | 10.6000 |
| U1-U3 | 101.4420 | 101.5360 | 15.3000 | 16.3000 |
| U1-U4 | 122.3170 | 123.0430 | 41.4960 | 42.6620 |
| U2-U3 | 45.6950 | 45.7830 | 22.3000 | 23.3000 |
| U2-U4 | 80.1000 | 80.9670 | 63.2300 | 64.3240 |
| U3-U4 | 54.5620 | 55.2960 | 96.5420 | 97.2400 |
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 | 60097.15085364 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416692 |
| DEC | -29.00718 |
| 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 | 56.349 |
| HIERARCH ESO ISS PBL12 END | 56.37 |
| HIERARCH ESO ISS PBLA12 START | 9.7 |
| HIERARCH ESO ISS PBLA12 END | 10.6 |
| HIERARCH ESO ISS PBL13 START | 101.442 |
| HIERARCH ESO ISS PBL13 END | 101.536 |
| HIERARCH ESO ISS PBLA13 START | 15.3 |
| HIERARCH ESO ISS PBLA13 END | 16.3 |
| HIERARCH ESO ISS PBL14 START | 122.317 |
| HIERARCH ESO ISS PBL14 END | 123.043 |
| HIERARCH ESO ISS PBLA14 START | 41.496 |
| HIERARCH ESO ISS PBLA14 END | 42.662 |
| HIERARCH ESO ISS PBL23 START | 45.695 |
| HIERARCH ESO ISS PBL23 END | 45.783 |
| HIERARCH ESO ISS PBLA23 START | 22.3 |
| HIERARCH ESO ISS PBLA23 END | 23.3 |
| HIERARCH ESO ISS PBL24 START | 80.1 |
| HIERARCH ESO ISS PBL24 END | 80.967 |
| HIERARCH ESO ISS PBLA24 START | 63.23 |
| HIERARCH ESO ISS PBLA24 END | 64.324 |
| HIERARCH ESO ISS PBL34 START | 54.562 |
| HIERARCH ESO ISS PBL34 END | 55.296 |
| HIERARCH ESO ISS PBLA34 START | 96.542 |
| HIERARCH ESO ISS PBLA34 END | 97.24 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007749 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006503 |
| HIERARCH ESO ISS AMBI TEMP | 16.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |