Exposure
- ID
- GRAVI.2022-06-19T01:55:56.920_2
- Header ID
- GRAVI.2022-06-19T01:55:56.920
- Date updated
- 2022-06-19 02:10:44 UTC+0000
- Release date
- 2023-06-19 02:10:43 UTC+0000
- UTC Start
- 2022-06-19 01:55:56.920
- UTC End
- 2022-06-19 02:01:16.920
- MJD Start
- 59749.08051991
- MJD End
- 59749.0842236137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0055655
- Ambient temperature (°C)
- 8.88
- Seeing (arcsec)
- 0.795
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 | 56.2610 | 56.2730 | 5.0000 | 5.8000 |
| U1-U3 | 101.0000 | 101.0680 | 10.2000 | 11.1000 |
| U1-U4 | 118.3970 | 119.0750 | 35.0640 | 36.2140 |
| U2-U3 | 45.2560 | 45.3270 | 16.6000 | 17.6000 |
| U2-U4 | 75.2050 | 76.0830 | 57.0910 | 58.2050 |
| U3-U4 | 50.2550 | 51.0510 | 92.8630 | 93.5050 |
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 | 59749.08051991 |
| 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 | 56.261 |
| HIERARCH ESO ISS PBL12 END | 56.273 |
| HIERARCH ESO ISS PBLA12 START | 5.0 |
| HIERARCH ESO ISS PBLA12 END | 5.8 |
| HIERARCH ESO ISS PBL13 START | 101.0 |
| HIERARCH ESO ISS PBL13 END | 101.068 |
| HIERARCH ESO ISS PBLA13 START | 10.2 |
| HIERARCH ESO ISS PBLA13 END | 11.1 |
| HIERARCH ESO ISS PBL14 START | 118.397 |
| HIERARCH ESO ISS PBL14 END | 119.075 |
| HIERARCH ESO ISS PBLA14 START | 35.064 |
| HIERARCH ESO ISS PBLA14 END | 36.214 |
| HIERARCH ESO ISS PBL23 START | 45.256 |
| HIERARCH ESO ISS PBL23 END | 45.327 |
| HIERARCH ESO ISS PBLA23 START | 16.6 |
| HIERARCH ESO ISS PBLA23 END | 17.6 |
| HIERARCH ESO ISS PBL24 START | 75.205 |
| HIERARCH ESO ISS PBL24 END | 76.083 |
| HIERARCH ESO ISS PBLA24 START | 57.091 |
| HIERARCH ESO ISS PBLA24 END | 58.205 |
| HIERARCH ESO ISS PBL34 START | 50.255 |
| HIERARCH ESO ISS PBL34 END | 51.051 |
| HIERARCH ESO ISS PBLA34 START | 92.863 |
| HIERARCH ESO ISS PBLA34 END | 93.505 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005337 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005794 |
| HIERARCH ESO ISS AMBI TEMP | 8.88 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |