Exposure
- ID
- GRAVI.2024-07-25T03:30:19.006_2
- Header ID
- GRAVI.2024-07-25T03:30:19.006
- Date updated
- 2024-07-25 03:45:31 UTC+0000
- Release date
- 2025-07-25 03:45:31 UTC+0000
- UTC Start
- 2024-07-25 03:30:19.006
- UTC End
- 2024-07-25 03:36:59.006
- MJD Start
- 60516.14605331
- MJD End
- 60516.1506829396
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002768
- Ambient temperature (°C)
- 13.58
- Seeing (arcsec)
- 0.88
Observation
- ID
- 60143
- Category
- science
- Program ID
- 113.268P.004
- 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
- 43558
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816666667
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 | 55.3090 | 55.1300 | 33.2000 | 33.8000 |
| U1-U3 | 99.6630 | 99.2460 | 39.6000 | 40.1000 |
| U1-U4 | 124.5660 | 123.5910 | 68.4230 | 69.0910 |
| U2-U3 | 45.1130 | 44.8720 | 47.4000 | 48.0000 |
| U2-U4 | 85.5380 | 84.8160 | 90.3080 | 91.1570 |
| U3-U4 | 60.8240 | 60.4850 | 120.6390 | 121.6750 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60516.14605331 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | IRS16SW |
| RA | 266.417168 |
| DEC | -29.00737 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 55.309 |
| HIERARCH ESO ISS PBL12 END | 55.13 |
| HIERARCH ESO ISS PBLA12 START | 33.2 |
| HIERARCH ESO ISS PBLA12 END | 33.8 |
| HIERARCH ESO ISS PBL13 START | 99.663 |
| HIERARCH ESO ISS PBL13 END | 99.246 |
| HIERARCH ESO ISS PBLA13 START | 39.6 |
| HIERARCH ESO ISS PBLA13 END | 40.1 |
| HIERARCH ESO ISS PBL14 START | 124.566 |
| HIERARCH ESO ISS PBL14 END | 123.591 |
| HIERARCH ESO ISS PBLA14 START | 68.423 |
| HIERARCH ESO ISS PBLA14 END | 69.091 |
| HIERARCH ESO ISS PBL23 START | 45.113 |
| HIERARCH ESO ISS PBL23 END | 44.872 |
| HIERARCH ESO ISS PBLA23 START | 47.4 |
| HIERARCH ESO ISS PBLA23 END | 48.0 |
| HIERARCH ESO ISS PBL24 START | 85.538 |
| HIERARCH ESO ISS PBL24 END | 84.816 |
| HIERARCH ESO ISS PBLA24 START | 90.308 |
| HIERARCH ESO ISS PBLA24 END | 91.157 |
| HIERARCH ESO ISS PBL34 START | 60.824 |
| HIERARCH ESO ISS PBL34 END | 60.485 |
| HIERARCH ESO ISS PBLA34 START | 120.639 |
| HIERARCH ESO ISS PBLA34 END | 121.675 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003051 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002485 |
| HIERARCH ESO ISS AMBI TEMP | 13.58 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 0.96 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.100 |
| HIERARCH ESO FT ROBJ DELTA | -290027.654 |