Exposure
- ID
- GRAVI.2022-06-19T02:02:17.936_2
- Header ID
- GRAVI.2022-06-19T02:02:17.936
- Date updated
- 2022-06-19 02:15:46 UTC+0000
- Release date
- 2023-06-19 02:15:46 UTC+0000
- UTC Start
- 2022-06-19 02:02:17.936
- UTC End
- 2022-06-19 02:07:37.936
- MJD Start
- 59749.08492981
- MJD End
- 59749.0886335137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005713
- Ambient temperature (°C)
- 8.93
- Seeing (arcsec)
- 0.855
Observation
- ID
- 51275
- Category
- science
- Program ID
- 109.22ZA.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/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37996
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076471944444
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 | 56.2750 | 56.2880 | 5.9000 | 6.7000 |
| U1-U3 | 101.0760 | 101.1480 | 11.2000 | 12.1000 |
| U1-U4 | 119.1550 | 119.8320 | 36.3470 | 37.4720 |
| U2-U3 | 45.3360 | 45.4090 | 17.7000 | 18.7000 |
| U2-U4 | 76.1850 | 77.0460 | 58.3340 | 59.4150 |
| U3-U4 | 51.1420 | 51.9110 | 93.5800 | 94.2150 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59749.08492981 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416741 |
| DEC | -29.00708 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.275 |
| HIERARCH ESO ISS PBL12 END | 56.288 |
| HIERARCH ESO ISS PBLA12 START | 5.9 |
| HIERARCH ESO ISS PBLA12 END | 6.7 |
| HIERARCH ESO ISS PBL13 START | 101.076 |
| HIERARCH ESO ISS PBL13 END | 101.148 |
| HIERARCH ESO ISS PBLA13 START | 11.2 |
| HIERARCH ESO ISS PBLA13 END | 12.1 |
| HIERARCH ESO ISS PBL14 START | 119.155 |
| HIERARCH ESO ISS PBL14 END | 119.832 |
| HIERARCH ESO ISS PBLA14 START | 36.347 |
| HIERARCH ESO ISS PBLA14 END | 37.472 |
| HIERARCH ESO ISS PBL23 START | 45.336 |
| HIERARCH ESO ISS PBL23 END | 45.409 |
| HIERARCH ESO ISS PBLA23 START | 17.7 |
| HIERARCH ESO ISS PBLA23 END | 18.7 |
| HIERARCH ESO ISS PBL24 START | 76.185 |
| HIERARCH ESO ISS PBL24 END | 77.046 |
| HIERARCH ESO ISS PBLA24 START | 58.334 |
| HIERARCH ESO ISS PBLA24 END | 59.415 |
| HIERARCH ESO ISS PBL34 START | 51.142 |
| HIERARCH ESO ISS PBL34 END | 51.911 |
| HIERARCH ESO ISS PBLA34 START | 93.58 |
| HIERARCH ESO ISS PBLA34 END | 94.215 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005325 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006101 |
| HIERARCH ESO ISS AMBI TEMP | 8.93 |
| HIERARCH ESO ISS AMBI FWHM START | 0.89 |
| HIERARCH ESO ISS AMBI FWHM END | 0.82 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |