Exposure
- ID
- GRAVI.2021-05-26T07:54:48.781_2
- Header ID
- GRAVI.2021-05-26T07:54:48.781
- Date updated
- 2021-05-26 08:10:47 UTC+0000
- Release date
- 2022-05-26 08:10:47 UTC+0000
- UTC Start
- 2021-05-26 07:54:48.781
- UTC End
- 2021-05-26 08:00:08.781
- MJD Start
- 59360.32973126
- MJD End
- 59360.3334349637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003174
- Ambient temperature (°C)
- 14.37
- Seeing (arcsec)
- 0.42
Observation
- ID
- 47463
- Category
- science
- Program ID
- 105.20B2.002
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
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 | 54.5070 | 54.3100 | 35.4000 | 35.8000 |
| U1-U3 | 97.7980 | 97.3410 | 41.7000 | 42.1000 |
| U1-U4 | 120.1980 | 119.1320 | 71.0300 | 71.5540 |
| U2-U3 | 44.0360 | 43.7720 | 49.5000 | 49.9000 |
| U2-U4 | 82.3080 | 81.5230 | 93.7480 | 94.4840 |
| U3-U4 | 59.3170 | 58.9570 | 124.9260 | 125.8700 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59360.32973126 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41702 |
| DEC | -29.00694 |
| 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 | 54.507 |
| HIERARCH ESO ISS PBL12 END | 54.31 |
| HIERARCH ESO ISS PBLA12 START | 35.4 |
| HIERARCH ESO ISS PBLA12 END | 35.8 |
| HIERARCH ESO ISS PBL13 START | 97.798 |
| HIERARCH ESO ISS PBL13 END | 97.341 |
| HIERARCH ESO ISS PBLA13 START | 41.7 |
| HIERARCH ESO ISS PBLA13 END | 42.1 |
| HIERARCH ESO ISS PBL14 START | 120.198 |
| HIERARCH ESO ISS PBL14 END | 119.132 |
| HIERARCH ESO ISS PBLA14 START | 71.03 |
| HIERARCH ESO ISS PBLA14 END | 71.554 |
| HIERARCH ESO ISS PBL23 START | 44.036 |
| HIERARCH ESO ISS PBL23 END | 43.772 |
| HIERARCH ESO ISS PBLA23 START | 49.5 |
| HIERARCH ESO ISS PBLA23 END | 49.9 |
| HIERARCH ESO ISS PBL24 START | 82.308 |
| HIERARCH ESO ISS PBL24 END | 81.523 |
| HIERARCH ESO ISS PBLA24 START | 93.748 |
| HIERARCH ESO ISS PBLA24 END | 94.484 |
| HIERARCH ESO ISS PBL34 START | 59.317 |
| HIERARCH ESO ISS PBL34 END | 58.957 |
| HIERARCH ESO ISS PBLA34 START | 124.926 |
| HIERARCH ESO ISS PBLA34 END | 125.87 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003042 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003306 |
| HIERARCH ESO ISS AMBI TEMP | 14.37 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.38 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |