Semper simplicissimam, fundamentalem solutionem quaere. Si simpliciter explicare non potes, non intellexisti. (R. Feynman)
Astrophotography by GrandpaJunkrat - ----- TIC 322312600
Cosmology from my armchair..............................
I do it metric .............................................................. Location:
bastion@protonmail.com The Netherlands
Bortle 7 - 9
Overview and Scientific Classification
TIC 322312600 is an entry in the TESS Input Catalog, a large compilation of stellar sources used to support target selection and characterization for the TESS mission. As with all TIC objects, its identification is based on cross‑matched astrometric and photometric data from surveys such as Gaia, 2MASS, APASS, and WISE. Although no dedicated literature exists for this specific star, its presence in the TIC indicates that it is a stable, optically persistent source suitable for photometric monitoring. The available multi‑band photometry suggests a normal stellar object without indications of extended structure or non‑stellar contamination.
Scientific classification
The TIC does not assign spectral types directly, but instead compiles magnitudes and Gaia‑based parameters that allow broad classification. TIC 322312600 is therefore categorized as a standard stellar source within the Gaia‑based framework of the catalog. Its classification is derived from its photometric colors, parallax, and proper motion, which together place it among the typical main‑sequence or slightly evolved stars commonly included in the TIC.
Stellar Mass Estimate
Because no dedicated spectroscopic or evolutionary modeling is published for TIC 322312600, its mass must be inferred from typical TIC‑based stellar parameters. Stars in this portion of the catalog, with standard Gaia and 2MASS photometry, generally fall in the range of roughly 0.8 to 1.5 solar masses depending on color and luminosity. Without object‑specific modeling, TIC 322312600 is best described as a likely solar‑type or mildly sub‑solar‑mass star, consistent with the majority of TIC entries used for TESS photometric analysis.
Age Estimate
No direct age measurement exists for TIC 322312600. In the absence of spectroscopic youth indicators or cluster membership, the star is most reasonably interpreted as a field star of typical Galactic disk age. Such stars commonly span ages from a few hundred million to several billion years. The lack of infrared excess or variability flags in the TIC suggests that TIC 322312600 is not a young stellar object, making a mature main‑sequence age the most plausible interpretation.
Spectral Energy Distribution (SED) Reconstruction
A reconstructed SED for TIC 322312600 would combine optical Gaia photometry with near‑infrared 2MASS and mid‑infrared WISE measurements, all of which are included in the TIC framework. The expected SED shape is that of a normal stellar photosphere, showing a smooth decline from optical to infrared wavelengths without significant excess emission. The absence of strong infrared excess implies that the star does not host a warm circumstellar disk or envelope. The SED would therefore be well described by a single‑temperature stellar atmosphere model consistent with a main‑sequence star.
