Exposure
- ID
- GRAVI.2021-05-24T04:51:08.491_2
- Header ID
- GRAVI.2021-05-24T04:51:08.491
- Date updated
- 2021-05-24 05:05:31 UTC+0000
- Release date
- 2022-05-24 05:05:31 UTC+0000
- UTC Start
- 2021-05-24 04:51:08.491
- UTC End
- 2021-05-24 04:56:28.491
- MJD Start
- 59358.20218161
- MJD End
- 59358.2058853137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005453
- Ambient temperature (°C)
- 12.48
- Seeing (arcsec)
- 0.375
Observation
- ID
- 47451
- 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
- 35588
- Name
- IRS16C
- RA
- 266.4171125
- 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 | 56.4810 | 56.4980 | 15.3000 | 16.0000 |
| U1-U3 | 102.0150 | 102.0860 | 21.3000 | 22.1000 |
| U1-U4 | 126.4700 | 126.9610 | 48.3590 | 49.2470 |
| U2-U3 | 46.2170 | 46.2800 | 28.6000 | 29.4000 |
| U2-U4 | 84.9310 | 85.4870 | 69.6390 | 70.4680 |
| U3-U4 | 58.5720 | 59.0230 | 100.8650 | 101.4710 |
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 | 59358.20218161 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416898 |
| DEC | -29.00719 |
| 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 | 56.481 |
| HIERARCH ESO ISS PBL12 END | 56.498 |
| HIERARCH ESO ISS PBLA12 START | 15.3 |
| HIERARCH ESO ISS PBLA12 END | 16.0 |
| HIERARCH ESO ISS PBL13 START | 102.015 |
| HIERARCH ESO ISS PBL13 END | 102.086 |
| HIERARCH ESO ISS PBLA13 START | 21.3 |
| HIERARCH ESO ISS PBLA13 END | 22.1 |
| HIERARCH ESO ISS PBL14 START | 126.47 |
| HIERARCH ESO ISS PBL14 END | 126.961 |
| HIERARCH ESO ISS PBLA14 START | 48.359 |
| HIERARCH ESO ISS PBLA14 END | 49.247 |
| HIERARCH ESO ISS PBL23 START | 46.217 |
| HIERARCH ESO ISS PBL23 END | 46.28 |
| HIERARCH ESO ISS PBLA23 START | 28.6 |
| HIERARCH ESO ISS PBLA23 END | 29.4 |
| HIERARCH ESO ISS PBL24 START | 84.931 |
| HIERARCH ESO ISS PBL24 END | 85.487 |
| HIERARCH ESO ISS PBLA24 START | 69.639 |
| HIERARCH ESO ISS PBLA24 END | 70.468 |
| HIERARCH ESO ISS PBL34 START | 58.572 |
| HIERARCH ESO ISS PBL34 END | 59.023 |
| HIERARCH ESO ISS PBLA34 START | 100.865 |
| HIERARCH ESO ISS PBLA34 END | 101.471 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005336 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00557 |
| HIERARCH ESO ISS AMBI TEMP | 12.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| HIERARCH ESO ISS AMBI FWHM END | 0.35 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |