Exposure
- ID
- GRAVI.2023-06-02T06:19:23.187_2
- Header ID
- GRAVI.2023-06-02T06:19:23.187
- Date updated
- 2023-06-02 06:35:35 UTC+0000
- Release date
- 2024-06-02 06:35:35 UTC+0000
- UTC Start
- 2023-06-02 06:19:23.187
- UTC End
- 2023-06-02 06:25:23.187
- MJD Start
- 60097.26346281
- MJD End
- 60097.2676294767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007318
- Ambient temperature (°C)
- 15.81
- Seeing (arcsec)
- 0.265
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 | 56.1070 | 56.0150 | 29.4000 | 30.0000 |
| U1-U3 | 101.5130 | 101.3020 | 35.8000 | 36.4000 |
| U1-U4 | 128.7940 | 128.3350 | 64.1160 | 64.8040 |
| U2-U3 | 46.1760 | 46.0560 | 43.6000 | 44.2000 |
| U2-U4 | 88.6190 | 88.2960 | 85.2400 | 86.0090 |
| U3-U4 | 62.2340 | 62.0970 | 114.8020 | 115.6480 |
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 | 60097.26346281 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416772 |
| 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 | 56.107 |
| HIERARCH ESO ISS PBL12 END | 56.015 |
| HIERARCH ESO ISS PBLA12 START | 29.4 |
| HIERARCH ESO ISS PBLA12 END | 30.0 |
| HIERARCH ESO ISS PBL13 START | 101.513 |
| HIERARCH ESO ISS PBL13 END | 101.302 |
| HIERARCH ESO ISS PBLA13 START | 35.8 |
| HIERARCH ESO ISS PBLA13 END | 36.4 |
| HIERARCH ESO ISS PBL14 START | 128.794 |
| HIERARCH ESO ISS PBL14 END | 128.335 |
| HIERARCH ESO ISS PBLA14 START | 64.116 |
| HIERARCH ESO ISS PBLA14 END | 64.804 |
| HIERARCH ESO ISS PBL23 START | 46.176 |
| HIERARCH ESO ISS PBL23 END | 46.056 |
| HIERARCH ESO ISS PBLA23 START | 43.6 |
| HIERARCH ESO ISS PBLA23 END | 44.2 |
| HIERARCH ESO ISS PBL24 START | 88.619 |
| HIERARCH ESO ISS PBL24 END | 88.296 |
| HIERARCH ESO ISS PBLA24 START | 85.24 |
| HIERARCH ESO ISS PBLA24 END | 86.009 |
| HIERARCH ESO ISS PBL34 START | 62.234 |
| HIERARCH ESO ISS PBL34 END | 62.097 |
| HIERARCH ESO ISS PBLA34 START | 114.802 |
| HIERARCH ESO ISS PBLA34 END | 115.648 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007123 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007513 |
| HIERARCH ESO ISS AMBI TEMP | 15.81 |
| HIERARCH ESO ISS AMBI FWHM START | 0.27 |
| HIERARCH ESO ISS AMBI FWHM END | 0.26 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |