Exposure
- ID
- GRAVI.2021-05-31T08:16:50.309_2
- Header ID
- GRAVI.2021-05-31T08:16:50.309
- Date updated
- 2021-05-31 08:32:38 UTC+0000
- Release date
- 2022-05-31 08:32:38 UTC+0000
- UTC Start
- 2021-05-31 08:16:50.309
- UTC End
- 2021-05-31 08:22:10.309
- MJD Start
- 59365.34502673
- MJD End
- 59365.3487304337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002769
- Ambient temperature (°C)
- 11.26
- Seeing (arcsec)
- 0.815
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 | 52.8200 | 52.5410 | 38.0000 | 38.3000 |
| U1-U3 | 93.9080 | 93.2690 | 44.3000 | 44.6000 |
| U1-U4 | 111.2020 | 109.7420 | 74.7380 | 75.2320 |
| U2-U3 | 41.8000 | 41.4350 | 52.2000 | 52.5000 |
| U2-U4 | 75.7610 | 74.7160 | 99.3730 | 100.2080 |
| U3-U4 | 56.4180 | 55.9800 | 132.2960 | 133.4080 |
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 | 59365.34502673 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| DEC | -29.00714 |
| 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 | 52.82 |
| HIERARCH ESO ISS PBL12 END | 52.541 |
| HIERARCH ESO ISS PBLA12 START | 38.0 |
| HIERARCH ESO ISS PBLA12 END | 38.3 |
| HIERARCH ESO ISS PBL13 START | 93.908 |
| HIERARCH ESO ISS PBL13 END | 93.269 |
| HIERARCH ESO ISS PBLA13 START | 44.3 |
| HIERARCH ESO ISS PBLA13 END | 44.6 |
| HIERARCH ESO ISS PBL14 START | 111.202 |
| HIERARCH ESO ISS PBL14 END | 109.742 |
| HIERARCH ESO ISS PBLA14 START | 74.738 |
| HIERARCH ESO ISS PBLA14 END | 75.232 |
| HIERARCH ESO ISS PBL23 START | 41.8 |
| HIERARCH ESO ISS PBL23 END | 41.435 |
| HIERARCH ESO ISS PBLA23 START | 52.2 |
| HIERARCH ESO ISS PBLA23 END | 52.5 |
| HIERARCH ESO ISS PBL24 START | 75.761 |
| HIERARCH ESO ISS PBL24 END | 74.716 |
| HIERARCH ESO ISS PBLA24 START | 99.373 |
| HIERARCH ESO ISS PBLA24 END | 100.208 |
| HIERARCH ESO ISS PBL34 START | 56.418 |
| HIERARCH ESO ISS PBL34 END | 55.98 |
| HIERARCH ESO ISS PBLA34 START | 132.296 |
| HIERARCH ESO ISS PBLA34 END | 133.408 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003037 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002501 |
| HIERARCH ESO ISS AMBI TEMP | 11.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.82 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |