Exposure
- ID
- GRAVI.2021-06-25T05:56:45.664_2
- Header ID
- GRAVI.2021-06-25T05:56:45.664
- Date updated
- 2021-06-25 06:10:34 UTC+0000
- Release date
- 2022-06-25 06:10:34 UTC+0000
- UTC Start
- 2021-06-25 05:56:45.664
- UTC End
- 2021-06-25 06:02:05.664
- MJD Start
- 59390.24775074
- MJD End
- 59390.2514544437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0050125
- Ambient temperature (°C)
- 10.12
- Seeing (arcsec)
- 0.685
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- 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 | 54.5100 | 54.3130 | 35.3000 | 35.8000 |
| U1-U3 | 97.8050 | 97.3480 | 41.7000 | 42.1000 |
| U1-U4 | 120.2140 | 119.1490 | 71.0220 | 71.5460 |
| U2-U3 | 44.0400 | 43.7760 | 49.5000 | 49.9000 |
| U2-U4 | 82.3200 | 81.5360 | 93.7370 | 94.4730 |
| U3-U4 | 59.3220 | 58.9630 | 124.9120 | 125.8560 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59390.24775074 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| DEC | -29.00706 |
| 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 | 54.51 |
| HIERARCH ESO ISS PBL12 END | 54.313 |
| HIERARCH ESO ISS PBLA12 START | 35.3 |
| HIERARCH ESO ISS PBLA12 END | 35.8 |
| HIERARCH ESO ISS PBL13 START | 97.805 |
| HIERARCH ESO ISS PBL13 END | 97.348 |
| HIERARCH ESO ISS PBLA13 START | 41.7 |
| HIERARCH ESO ISS PBLA13 END | 42.1 |
| HIERARCH ESO ISS PBL14 START | 120.214 |
| HIERARCH ESO ISS PBL14 END | 119.149 |
| HIERARCH ESO ISS PBLA14 START | 71.022 |
| HIERARCH ESO ISS PBLA14 END | 71.546 |
| HIERARCH ESO ISS PBL23 START | 44.04 |
| HIERARCH ESO ISS PBL23 END | 43.776 |
| HIERARCH ESO ISS PBLA23 START | 49.5 |
| HIERARCH ESO ISS PBLA23 END | 49.9 |
| HIERARCH ESO ISS PBL24 START | 82.32 |
| HIERARCH ESO ISS PBL24 END | 81.536 |
| HIERARCH ESO ISS PBLA24 START | 93.737 |
| HIERARCH ESO ISS PBLA24 END | 94.473 |
| HIERARCH ESO ISS PBL34 START | 59.322 |
| HIERARCH ESO ISS PBL34 END | 58.963 |
| HIERARCH ESO ISS PBLA34 START | 124.912 |
| HIERARCH ESO ISS PBLA34 END | 125.856 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005006 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005019 |
| HIERARCH ESO ISS AMBI TEMP | 10.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |