Exposure
- ID
- GRAVI.2021-06-26T03:00:46.890_2
- Header ID
- GRAVI.2021-06-26T03:00:46.890
- Date updated
- 2021-06-26 03:15:15 UTC+0000
- Release date
- 2022-06-26 03:15:14 UTC+0000
- UTC Start
- 2021-06-26 03:00:46.890
- UTC End
- 2021-06-26 03:06:06.890
- MJD Start
- 59391.12554271
- MJD End
- 59391.1292464137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004629
- Ambient temperature (°C)
- 9.32
- Seeing (arcsec)
- 0.455
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 | 56.5310 | 56.5420 | 17.8000 | 18.5000 |
| U1-U3 | 102.2380 | 102.2900 | 23.9000 | 24.7000 |
| U1-U4 | 128.0220 | 128.4100 | 51.3060 | 52.1360 |
| U2-U3 | 46.4170 | 46.4670 | 31.4000 | 32.1000 |
| U2-U4 | 86.6840 | 87.1230 | 72.3980 | 73.1810 |
| U3-U4 | 59.9920 | 60.3490 | 102.9320 | 103.5450 |
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 | 59391.12554271 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416733 |
| DEC | -29.00724 |
| 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 | 56.531 |
| HIERARCH ESO ISS PBL12 END | 56.542 |
| HIERARCH ESO ISS PBLA12 START | 17.8 |
| HIERARCH ESO ISS PBLA12 END | 18.5 |
| HIERARCH ESO ISS PBL13 START | 102.238 |
| HIERARCH ESO ISS PBL13 END | 102.29 |
| HIERARCH ESO ISS PBLA13 START | 23.9 |
| HIERARCH ESO ISS PBLA13 END | 24.7 |
| HIERARCH ESO ISS PBL14 START | 128.022 |
| HIERARCH ESO ISS PBL14 END | 128.41 |
| HIERARCH ESO ISS PBLA14 START | 51.306 |
| HIERARCH ESO ISS PBLA14 END | 52.136 |
| HIERARCH ESO ISS PBL23 START | 46.417 |
| HIERARCH ESO ISS PBL23 END | 46.467 |
| HIERARCH ESO ISS PBLA23 START | 31.4 |
| HIERARCH ESO ISS PBLA23 END | 32.1 |
| HIERARCH ESO ISS PBL24 START | 86.684 |
| HIERARCH ESO ISS PBL24 END | 87.123 |
| HIERARCH ESO ISS PBLA24 START | 72.398 |
| HIERARCH ESO ISS PBLA24 END | 73.181 |
| HIERARCH ESO ISS PBL34 START | 59.992 |
| HIERARCH ESO ISS PBL34 END | 60.349 |
| HIERARCH ESO ISS PBLA34 START | 102.932 |
| HIERARCH ESO ISS PBLA34 END | 103.545 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00443 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004828 |
| HIERARCH ESO ISS AMBI TEMP | 9.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |