Exposure
- ID
- GRAVI.2024-04-29T09:31:32.976_2
- Header ID
- GRAVI.2024-04-29T09:31:32.976
- Date updated
- 2024-04-29 09:45:28 UTC+0000
- Release date
- 2025-04-29 09:45:28 UTC+0000
- UTC Start
- 2024-04-29 09:31:32.976
- UTC End
- 2024-04-29 09:37:32.976
- MJD Start
- 60429.39690944
- MJD End
- 60429.4010761067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0039875
- Ambient temperature (°C)
- 15.41
- Seeing (arcsec)
- 0.535
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 54.7780 | 54.5740 | 34.7000 | 35.2000 |
| U1-U3 | 98.4270 | 97.9530 | 41.1000 | 41.5000 |
| U1-U4 | 121.6710 | 120.5620 | 70.2480 | 70.8450 |
| U2-U3 | 44.3990 | 44.1250 | 48.9000 | 49.4000 |
| U2-U4 | 83.3960 | 82.5770 | 92.6790 | 93.4910 |
| U3-U4 | 59.8210 | 59.4410 | 123.5690 | 124.5970 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60429.39690944 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416867 |
| DEC | -29.00737 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 54.778 |
| HIERARCH ESO ISS PBL12 END | 54.574 |
| HIERARCH ESO ISS PBLA12 START | 34.7 |
| HIERARCH ESO ISS PBLA12 END | 35.2 |
| HIERARCH ESO ISS PBL13 START | 98.427 |
| HIERARCH ESO ISS PBL13 END | 97.953 |
| HIERARCH ESO ISS PBLA13 START | 41.1 |
| HIERARCH ESO ISS PBLA13 END | 41.5 |
| HIERARCH ESO ISS PBL14 START | 121.671 |
| HIERARCH ESO ISS PBL14 END | 120.562 |
| HIERARCH ESO ISS PBLA14 START | 70.248 |
| HIERARCH ESO ISS PBLA14 END | 70.845 |
| HIERARCH ESO ISS PBL23 START | 44.399 |
| HIERARCH ESO ISS PBL23 END | 44.125 |
| HIERARCH ESO ISS PBLA23 START | 48.9 |
| HIERARCH ESO ISS PBLA23 END | 49.4 |
| HIERARCH ESO ISS PBL24 START | 83.396 |
| HIERARCH ESO ISS PBL24 END | 82.577 |
| HIERARCH ESO ISS PBLA24 START | 92.679 |
| HIERARCH ESO ISS PBLA24 END | 93.491 |
| HIERARCH ESO ISS PBL34 START | 59.821 |
| HIERARCH ESO ISS PBL34 END | 59.441 |
| HIERARCH ESO ISS PBLA34 START | 123.569 |
| HIERARCH ESO ISS PBLA34 END | 124.597 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004096 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003879 |
| HIERARCH ESO ISS AMBI TEMP | 15.41 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |